Daily records
Page built 2026-10-19
Data as of 2026-10-17
Search
Built 2026-10-19 (19 October 2026)

Jomala Maarianhaminan Lentoase Threshold Days by Year (FIE00141805)

10 fixed thresholds counted per year at Jomala Maarianhaminan Lentoase (FIE00141805): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Jomala Maarianhaminan Lentoase Thresholds

  • Jomala Maarianhaminan Lentoase: days with a maximum temperature at or below 0 C (32 F) in 62 years, most in 2010 with 99.
  • Jomala Maarianhaminan Lentoase: nights with a minimum temperature at or below 0 C (32 F) in 62 years, most in 1985 with 184.
  • Jomala Maarianhaminan Lentoase: nights with a minimum temperature at or below -10 C (14 F) in 61 years, most in 1963 with 73.
  • Jomala Maarianhaminan Lentoase: nights with a minimum temperature at or below -20 C (-4 F) in 36 years, most in 1985 with 23.
  • 10 fixed thresholds have at least one qualifying day at Jomala Maarianhaminan Lentoase.
3 years with a qualifying day
Days at or above 30 C (86 F) per year at Jomala Maarianhaminan Lentoase Days per year at Jomala Maarianhaminan Lentoase with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 3 in 2018. 01231975: 22018: 32019: 1197520182019
Days per year at Jomala Maarianhaminan Lentoase with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 3 in 2018.
Days at or above 30 C (86 F) per year at Jomala Maarianhaminan Lentoase
YearDaysDecade average
197522
201832
201912
First to last qualifying date each year at Jomala Maarianhaminan Lentoase For each year, a bar from the first to the last day at Jomala Maarianhaminan Lentoase meeting 30 C (86 F). 1975: 6 August 1975 to 8 August 19752018: 16 July 2018 to 18 July 20182019: 28 July 2019 to 28 July 2019197520182019JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Jomala Maarianhaminan Lentoase meeting 30 C (86 F).
First to last qualifying date each year at Jomala Maarianhaminan Lentoase
YearFirst dateLast date
19751975-08-061975-08-08
20182018-07-162018-07-18
20192019-07-282019-07-28

Every Fixed Threshold

Fixed thresholds at Jomala Maarianhaminan Lentoase
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3320181
0 C (32 F): Ice days (max6299201040
0 C (32 F): Frost days (min62184198586
-10 C (14 F): Days with min6173196331
-20 C (-4 F): Days with min362319853
-30 C (-22 F): Days with min4419874
20 C (68 F): Tropical nights (min8520182
10 mm (0.39 in): Days with 10 mm or more rain3624196014
25 mm (0.98 in): Days with 25 mm or more rain25419842
50 mm (1.97 in): Days with 50 mm or more rain4119611

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1975.

Download the Data

  • Data for Jomala Maarianhaminan Lentoase 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 . Last revised (2026-10-17).