Imperatriz Weather Records (BR036150060)

Record envelope, standing records and threshold days for Imperatriz (BR036150060), Brazil, with 33 years of record.

Key Facts for Imperatriz

Imperatriz (BR036150060) is a weather station in Brazil at -5.53 latitude and -47.50 longitude, 123 m (404 ft) above sea level.
The station reports from 1965 to 1997, 33 years of record.
964 records set at Imperatriz still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Brazil, -5.53 latitude, -47.50 longitude.
Elevation: 123 m (404 ft).
Period of record: 1965 to 1997, 33 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Imperatriz. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Imperatriz, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	34.2 C (93.6 F)	20.1 C (68.2 F)	n/a	n/a
Feb	32.2 C (90.0 F)	20.0 C (68.0 F)	n/a	n/a
Mar	33.6 C (92.5 F)	21.6 C (70.9 F)	n/a	n/a
Apr	34.7 C (94.5 F)	12.4 C (54.3 F)	n/a	n/a
May	35.0 C (95.0 F)	20.0 C (68.0 F)	n/a	n/a
Jun	35.5 C (95.9 F)	17.0 C (62.6 F)	n/a	n/a
Jul	35.4 C (95.7 F)	15.8 C (60.4 F)	n/a	n/a
Aug	37.0 C (98.6 F)	16.2 C (61.2 F)	n/a	n/a
Sep	38.8 C (101.8 F)	18.8 C (65.8 F)	n/a	n/a
Oct	36.6 C (97.9 F)	20.8 C (69.4 F)	n/a	n/a
Nov	36.0 C (96.8 F)	20.6 C (69.1 F)	n/a	n/a
Dec	31.0 C (87.8 F)	20.4 C (68.7 F)	n/a	n/a

Which Years Hold Standing Records

964 standing records

964 records at Imperatriz still stand. 1996 holds the most, with 249.

Wettest Day of Each Month

Mar: 200.0 mm (7.9 in)

The wettest day on record for each calendar month at Imperatriz. The most was 200.0 mm (7.9 in) on 4 March 1974.

Record daily precipitation for each month at Imperatriz
Month	Record daily precipitation (mm)	Date
Jan	142.6 mm (5.6 in)	14 January 1970
Feb	84.5 mm (3.3 in)	13 February 1966
Mar	200.0 mm (7.9 in)	4 March 1974
Apr	97.2 mm (3.8 in)	1 April 1977
May	119.0 mm (4.7 in)	9 May 1973
Jun	58.6 mm (2.3 in)	1 June 1971
Jul	52.6 mm (2.1 in)	26 July 1973
Aug	60.0 mm (2.4 in)	5 August 1972
Sep	27.8 mm (1.1 in)	30 September 1976
Oct	59.8 mm (2.4 in)	20 October 1971
Nov	109.0 mm (4.3 in)	30 November 1994
Dec	86.0 mm (3.4 in)	12 December 1977

Period of Record Coverage

1993 to 1997

5 years of record at Imperatriz, 1993 to 1997. 5 years have data for under 90 percent of days and are left out of rankings: 1993, 1994, 1995, 1996, 1997.

Latest Records

No records were set at this station in the latest data.

Extremes by Year

1965 to 1997

Yearly extremes at Imperatriz: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	38.8 C (101.8 F)	1997	37.5 C (99.5 F)	5
Coldest night (TNn)	12.4 C (54.3 F)	1997	17.5 C (63.5 F)	12
Wettest day (Rx1day)	200.0 mm (7.9 in)	1974	78.4 mm (3.1 in)	25
Wettest five days (Rx5day)	239.9 mm (9.4 in)	1974	135.6 mm (5.3 in)	20
Longest dry spell (CDD)	110 days	1979	39 days	22

Hottest day (TXx)

The hottest day of the year at Imperatriz, 1965 to 1997. The record is 38.8 C (101.8 F) in 1997, marked on the chart; the median year is 37.5 C (99.5 F).

Hottest day (TXx) at Imperatriz by year
Year	Hottest day (TXx)
1965	n/a
1966	n/a
1967	n/a
1968	n/a
1969	n/a
1970	n/a
1971	n/a
1972	n/a
1973	n/a
1974	n/a
1975	n/a
1976	n/a
1977	n/a
1978	n/a
1979	n/a
1986	n/a
1987	n/a
1988	n/a
1989	n/a
1990	n/a
1991	n/a
1992	n/a
1993	35.0 C (95.0 F)
1994	37.0 C (98.6 F)
1995	37.6 C (99.7 F)
1996	37.5 C (99.5 F)
1997	38.8 C (101.8 F)

Coldest night (TNn)

The coldest night of the year at Imperatriz, 1965 to 1997. The record is 12.4 C (54.3 F) in 1997, marked on the chart; the median year is 17.5 C (63.5 F).

Coldest night (TNn) at Imperatriz by year
Year	Coldest night (TNn)
1965	n/a
1966	n/a
1967	n/a
1968	n/a
1969	n/a
1970	n/a
1971	n/a
1972	n/a
1973	n/a
1974	n/a
1975	n/a
1976	n/a
1977	n/a
1978	n/a
1979	n/a
1986	16.2 C (61.2 F)
1987	20.4 C (68.7 F)
1988	19.0 C (66.2 F)
1989	22.0 C (71.6 F)
1990	20.4 C (68.7 F)
1991	18.0 C (64.4 F)
1992	17.0 C (62.6 F)
1993	18.8 C (65.8 F)
1994	17.0 C (62.6 F)
1995	16.0 C (60.8 F)
1996	16.7 C (62.1 F)
1997	12.4 C (54.3 F)

Wettest day (Rx1day)

The wettest day of the year at Imperatriz, 1965 to 1997. The record is 200.0 mm (7.9 in) in 1974, marked on the chart; the median year is 78.4 mm (3.1 in).

Wettest day (Rx1day) at Imperatriz by year
Year	Wettest day (Rx1day)
1965	76.0 mm (3.0 in)
1966	89.4 mm (3.5 in)
1967	78.4 mm (3.1 in)
1968	68.5 mm (2.7 in)
1969	69.0 mm (2.7 in)
1970	142.6 mm (5.6 in)
1971	90.8 mm (3.6 in)
1972	70.3 mm (2.8 in)
1973	119.0 mm (4.7 in)
1974	200.0 mm (7.9 in)
1975	78.6 mm (3.1 in)
1976	85.4 mm (3.4 in)
1977	97.2 mm (3.8 in)
1978	96.4 mm (3.8 in)
1979	62.4 mm (2.5 in)
1986	n/a
1987	13.0 mm (0.5 in)
1988	8.9 mm (0.35 in)
1989	2.0 mm (0.08 in)
1990	0.0 mm (0.00 in)
1991	14.0 mm (0.6 in)
1992	n/a
1993	53.1 mm (2.1 in)
1994	109.0 mm (4.3 in)
1995	83.1 mm (3.3 in)
1996	111.0 mm (4.4 in)
1997	61.0 mm (2.4 in)

Wettest five days (Rx5day)

The wettest five days of the year at Imperatriz, 1965 to 1997. The record is 239.9 mm (9.4 in) in 1974, marked on the chart; the median year is 135.6 mm (5.3 in).

Wettest five days (Rx5day) at Imperatriz by year
Year	Wettest five days (Rx5day)
1965	115.5 mm (4.5 in)
1966	164.2 mm (6.5 in)
1967	229.1 mm (9.0 in)
1968	131.9 mm (5.2 in)
1969	128.9 mm (5.1 in)
1970	177.1 mm (7.0 in)
1971	121.8 mm (4.8 in)
1972	96.4 mm (3.8 in)
1973	133.1 mm (5.2 in)
1974	239.9 mm (9.4 in)
1975	169.6 mm (6.7 in)
1976	138.0 mm (5.4 in)
1977	143.0 mm (5.6 in)
1978	146.6 mm (5.8 in)
1979	178.0 mm (7.0 in)
1986	n/a
1987	n/a
1988	n/a
1989	n/a
1990	n/a
1991	n/a
1992	n/a
1993	57.2 mm (2.3 in)
1994	61.5 mm (2.4 in)
1995	153.2 mm (6.0 in)
1996	96.2 mm (3.8 in)
1997	57.9 mm (2.3 in)

Longest dry spell (CDD)

The longest dry spell of the year at Imperatriz, 1965 to 1997. The record is 110 days in 1979, marked on the chart; the median year is 39 days.

Longest dry spell (CDD) at Imperatriz by year
Year	Longest dry spell (CDD)
1965	23 days
1966	10 days
1967	58 days
1968	56 days
1969	60 days
1970	34 days
1971	44 days
1972	26 days
1973	47 days
1974	94 days
1975	99 days
1976	102 days
1977	93 days
1978	87 days
1979	110 days
1986	n/a
1987	n/a
1988	n/a
1989	n/a
1990	1 day
1991	1 day
1992	n/a
1993	4 days
1994	2 days
1995	2 days
1996	5 days
1997	3 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Download the Data

Data for Imperatriz standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Imperatriz threshold days by year: CSV or JSON. Field meanings are on the data page.

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 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).