Climate Trends in Syria
Climate trends for Syria from 0 stations with long records. Also streaks and temperature swings.
Data as of . Last revised (2026-10-12).
Longest Hot, Cold, Wet and Dry Streaks: Syria
6 lists of 8- In Syria, the longest run of hot days in a row in the data is 87 days, at Kamishli (Syria), from 30 June 1986 to 24 September 1986.
- In Syria, the longest run of days in a row at or above 40 C in the data is 35 days, at Deir Zzor (Syria), from 28 June 2000 to 1 August 2000.
- In Syria, the longest run of frost days in a row in the data is 21 days, at Aleppo (Syria), from 17 December 1972 to 6 January 1973.
- In Syria, the longest run of dry days in a row in the data is 246 days, at Palmyra (Syria), in 1970.
- In Syria, the longest run of wet days in a row in the data is 15 days, at Jarablus (Syria), in 1934.
- In Syria, the longest run of longest run of nights at or above 25 c in the data is 23 days, at Kamishli (Syria), from 21 July 1987 to 12 August 1987.
Longest run of days at or above 35 C
Consecutive days with a daily maximum at or above 35 C (95 F).
| Rank | Station | Country | Length | When |
|---|---|---|---|---|
| 1 | Kamishli | Syria | 87 days | 30 June to 24 September 1986 |
| 2 | Palmyra | Syria | 80 days | 20 June to 7 September 1989 |
| 3 | Jarablus | Syria | 78 days | 5 July to 20 September 1957 |
| 4 | Deir Zzor | Syria | 56 days | 13 July to 6 September 1958 |
| 5 | Aleppo | Syria | 37 days | 5 July to 10 August 1996 |
| 6 | Hama | Syria | 28 days | 13 July to 9 August 1958 |
| 7 | Homs | Syria | 9 days | 14 to 22 August 1957 |
| 8 | Lattakia | Syria | 3 days | 16 to 18 October 1993 |
Longest run of days at or above 40 C
Consecutive days with a daily maximum at or above 40 C (104 F).
| Rank | Station | Country | Length | When |
|---|---|---|---|---|
| 1 | Deir Zzor | Syria | 35 days | 28 June to 1 August 2000 |
| 2 | Kamishli | Syria | 24 days | 13 July to 5 August 1981 |
| 3 | Palmyra | Syria | 23 days | 19 July to 10 August 1987 |
| 4 | Jarablus | Syria | 13 days | 16 to 28 August 1958 |
| 5 | Aleppo | Syria | 9 days | 28 July to 5 August 1957 |
| 6 | Hama | Syria | 7 days | 21 to 27 August 1958 |
| 7 | Homs | Syria | 3 days | 6 to 8 August 1956 |
Longest run of frost days (minimum at or below 0 C)
Consecutive days with a daily minimum at or below 0 C (32 F).
| Rank | Station | Country | Length | When |
|---|---|---|---|---|
| 1 | Aleppo | Syria | 21 days | 17 December 1972 to 6 January 1973 |
| 2 | Palmyra | Syria | 21 days | 21 December 1972 to 10 January 1973 |
| 3 | Kamishli | Syria | 14 days | 5 to 18 January 1977 |
| 4 | Homs | Syria | 10 days | 10 to 19 December 1956 |
| 5 | Deir Zzor | Syria | 9 days | 1 to 9 February 1958 |
| 6 | Jarablus | Syria | 8 days | 6 to 13 January 1957 |
| 7 | Hama | Syria | 5 days | 22 to 26 November 1958 |
| 8 | Lattakia | Syria | 1 day | 27 to 27 January 1983 |
Longest dry spell (days under 1 mm of rain), within one year
Consecutive days with less than 1 mm (0.04 in) of rain, the longest run within a year. The dates are not kept, so the list gives the year (within the year).
| Rank | Station | Country | Length | When |
|---|---|---|---|---|
| 1 | Palmyra | Syria | 246 days | within 1970 |
| 2 | Homs | Syria | 243 days | within 1914 |
| 3 | Lattakia | Syria | 217 days | within 1939 |
| 4 | Kamishli | Syria | 209 days | within 1974 |
| 5 | Aleppo | Syria | 196 days | within 1973 |
| 6 | Jarablus | Syria | 181 days | within 1938 |
| 7 | Tartous | Syria | 160 days | within 1935 |
| 8 | Damascus Intl | Syria | 115 days | within 1997 |
Longest wet spell (days with 1 mm or more of rain), within one year
Consecutive days with 1 mm (0.04 in) or more of rain, the longest run within a year. The dates are not kept, so the list gives the year (within the year).
| Rank | Station | Country | Length | When |
|---|---|---|---|---|
| 1 | Jarablus | Syria | 15 days | within 1934 |
| 2 | Tartous | Syria | 12 days | within 1934 |
| 3 | Kamishli | Syria | 10 days | within 1969 |
| 4 | Lattakia | Syria | 10 days | within 1969 |
| 5 | Aleppo | Syria | 8 days | within 1996 |
| 6 | Palmyra | Syria | 6 days | within 1938 |
| 7 | Homs | Syria | 6 days | within 1938 |
| 8 | Damascus Intl | Syria | 2 days | within 1997 |
Longest run of nights at or above 25 C
| Rank | Station | Country | Length | When |
|---|---|---|---|---|
| 1 | Kamishli | Syria | 23 days | 21 July to 12 August 1987 |
| 2 | Lattakia | Syria | 16 days | 21 July to 5 August 1978 |
| 3 | Palmyra | Syria | 12 days | 23 July to 3 August 1987 |
| 4 | Deir Zzor | Syria | 10 days | 19 to 28 July 1958 |
| 5 | Aleppo | Syria | 4 days | 7 to 10 August 1956 |
| 6 | Jarablus | Syria | 1 day | 25 to 25 June 1957 |
| 7 | Hama | Syria | 1 day | 28 to 28 August 1958 |
A run belongs to the year it started in, even when it ran on into the next year. A station appears once per list, with its longest run in a complete year. Dry and wet spells are the longest run within a year. Lists use complete years only, so a long run in a year with gaps in the record is not counted.
Biggest One Day Temperature Swings: Syria
6 lists of 5- In Syria, the largest reported one day rise in the daily maximum is 19.8 C (35.6 F), at Palmyra (Syria) on 4 August 1974.
- In Syria, the largest reported one day drop in the daily maximum is 19.8 C (35.6 F), at Palmyra (Syria) on 23 March 1984.
- In Syria, the largest reported one day rise in the daily minimum is 13.0 C (23.4 F), at Palmyra (Syria) on 23 July 1987.
- In Syria, the largest reported one day drop in the daily minimum is 20.1 C (36.2 F), at Palmyra (Syria) on 12 November 1993.
- In Syria, the largest reported widest range between the high and the low of one day is 29.3 C (52.7 F), at Palmyra (Syria) on 22 July 1987.
- In Syria, the smallest reported narrowest range between the high and the low of one day is 0.1 C (0.2 F), at Aleppo (Syria) on 9 January 1962.
Caveat.Single readings can still be instrument errors that quality control missed. A station with one faulty value can top a list, so read each entry as a reported value, not as a confirmed event.
Biggest one day rise in the daily maximum
The largest increase in the daily maximum temperature from one day to the next. Values are in degrees Celsius with Fahrenheit beside them.
| Rank | Station | Country | Value | Date |
|---|---|---|---|---|
| 1 | Palmyra | Syria | 19.8 C (35.6 F) | 4 August 1974 |
| 2 | Aleppo | Syria | 14.0 C (25.2 F) | 26 October 1976 |
| 3 | Hama | Syria | 13.1 C (23.6 F) | 24 December 2019 |
| 4 | Lattakia | Syria | 12.9 C (23.2 F) | 12 May 1997 |
| 5 | Kamishli | Syria | 12.7 C (22.9 F) | 14 November 2011 |
Biggest one day drop in the daily maximum
The largest decrease in the daily maximum temperature from one day to the next. Values are in degrees Celsius with Fahrenheit beside them.
| Rank | Station | Country | Value | Date |
|---|---|---|---|---|
| 1 | Palmyra | Syria | 19.8 C (35.6 F) | 23 March 1984 |
| 2 | Lattakia | Syria | 15.8 C (28.4 F) | 14 May 1984 |
| 3 | Kamishli | Syria | 13.6 C (24.5 F) | 21 April 2023 |
| 4 | Hama | Syria | 13.2 C (23.8 F) | 3 February 1983 |
| 5 | Aleppo | Syria | 11.7 C (21.1 F) | 10 June 1963 |
Biggest one day rise in the daily minimum
The largest increase in the daily minimum temperature from one day to the next. Values are in degrees Celsius with Fahrenheit beside them.
| Rank | Station | Country | Value | Date |
|---|---|---|---|---|
| 1 | Palmyra | Syria | 13.0 C (23.4 F) | 23 July 1987 |
| 2 | Lattakia | Syria | 13.0 C (23.4 F) | 21 December 1999 |
| 3 | Aleppo | Syria | 12.1 C (21.8 F) | 25 October 1972 |
| 4 | Kamishli | Syria | 12.0 C (21.6 F) | 28 March 1978 |
| 5 | Hama | Syria | 10.6 C (19.1 F) | 11 November 1984 |
Biggest one day drop in the daily minimum
The largest decrease in the daily minimum temperature from one day to the next. Values are in degrees Celsius with Fahrenheit beside them.
| Rank | Station | Country | Value | Date |
|---|---|---|---|---|
| 1 | Palmyra | Syria | 20.1 C (36.2 F) | 12 November 1993 |
| 2 | Kamishli | Syria | 14.5 C (26.1 F) | 27 March 1978 |
| 3 | Aleppo | Syria | 13.0 C (23.4 F) | 25 March 1957 |
| 4 | Hama | Syria | 12.0 C (21.6 F) | 6 October 1977 |
| 5 | Lattakia | Syria | 11.9 C (21.4 F) | 1 December 2005 |
Widest range between the high and the low of one day
The largest difference between the highest and the lowest temperature of the same day. Values are in degrees Celsius with Fahrenheit beside them.
| Rank | Station | Country | Value | Date |
|---|---|---|---|---|
| 1 | Palmyra | Syria | 29.3 C (52.7 F) | 22 July 1987 |
| 2 | Aleppo | Syria | 28.1 C (50.6 F) | 24 October 1972 |
| 3 | Hama | Syria | 28.0 C (50.4 F) | 20 June 1981 |
| 4 | Kamishli | Syria | 27.0 C (48.6 F) | 27 July 1966 |
| 5 | Lattakia | Syria | 24.3 C (43.7 F) | 24 June 2002 |
Narrowest range between the high and the low of one day
The smallest difference between the highest and the lowest temperature of the same day. Values are in degrees Celsius with Fahrenheit beside them.
| Rank | Station | Country | Value | Date |
|---|---|---|---|---|
| 1 | Aleppo | Syria | 0.1 C (0.2 F) | 9 January 1962 |
| 2 | Palmyra | Syria | 0.1 C (0.2 F) | 3 August 1974 |
| 3 | Kamishli | Syria | 0.5 C (0.9 F) | 24 March 1997 |
| 4 | Lattakia | Syria | 0.8 C (1.4 F) | 14 February 1968 |
| 5 | Hama | Syria | 1.0 C (1.8 F) | 14 December 1973 |
Only stations with at least 10 complete years are listed, and a station appears once per list.
Download the Data
Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-12. Trends and counts are computed by this site from daily station records. The long-record station set is described under each chart.