Lannavaara Threshold Days by Year (SWE00140922)

10 fixed thresholds counted per year at Lannavaara (SWE00140922): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lannavaara Thresholds

Lannavaara: days with 10 mm (0.39 in) or more of precipitation in 29 years, most in 2021 with 18.
Lannavaara: days with a maximum temperature at or below 0 C (32 F) in 19 years, most in 1966 with 189.
Lannavaara: nights with a minimum temperature at or below 0 C (32 F) in 19 years, most in 1976 with 258.
Lannavaara: nights with a minimum temperature at or below -10 C (14 F) in 19 years, most in 1966 with 160.
10 fixed thresholds have at least one qualifying day at Lannavaara.

Nights at or below 0 C (32 F)

19 years with a qualifying day

Days per year at Lannavaara with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 258 in 1976.

Nights at or below 0 C (32 F) per year at Lannavaara
Year	Days	Decade average
1961	218	235.6
1962	231	235.6
1963	210	235.6
1964	232	235.6
1965	248	235.6
1966	254	235.6
1967	227	235.6
1968	257	235.6
1969	243	235.6
1970	234	246.6
1971	256	246.6
1972	255	246.6
1973	257	246.6
1974	226	246.6
1975	244	246.6
1976	258	246.6
1977	258	246.6
1978	241	246.6
1979	237	246.6

For each year, a bar from the first to the last day at Lannavaara meeting 0 C (32 F).

First to last qualifying date each year at Lannavaara
Year	First date	Last date
1961	1961-01-01	1961-12-31
1962	1962-01-01	1962-12-31
1963	1963-01-01	1963-12-31
1964	1964-01-01	1964-12-31
1965	1965-01-01	1965-12-31
1966	1966-01-01	1966-12-31
1967	1967-01-01	1967-12-31
1968	1968-01-01	1968-12-31
1969	1969-01-01	1969-12-31
1970	1970-01-01	1970-12-31
1971	1971-01-01	1971-12-31
1972	1972-01-01	1972-12-31
1973	1973-01-01	1973-12-31
1974	1974-01-01	1974-12-31
1975	1975-01-01	1975-12-31
1976	1976-01-01	1976-12-31
1977	1977-01-01	1977-12-31
1978	1978-01-01	1978-12-31
1979	1979-01-01	1979-12-31

Every Fixed Threshold

Fixed thresholds at Lannavaara
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	1	1	1966	1
0 C (32 F): Ice days (max	19	189	1966	170
0 C (32 F): Frost days (min	19	258	1976	237
-10 C (14 F): Days with min	19	160	1966	130
-20 C (-4 F): Days with min	19	84	1966	63
-30 C (-22 F): Days with min	19	31	1978	18
-40 C (-40 F): Days with min	9	3	1966	3
10 mm (0.39 in): Days with 10 mm or more rain	29	18	2021	11
25 mm (0.98 in): Days with 25 mm or more rain	17	3	1967	2
50 mm (1.97 in): Days with 50 mm or more rain	2	1	1967	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1966.

Download the Data

Data for Lannavaara 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). Threshold counts are computed by this site.

Data as of 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Lannavaara Threshold Days by Year (SWE00140922)

Key Facts for Lannavaara Thresholds

Nights at or below 0 C (32 F)

Every Fixed Threshold

Download the Data

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