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Climate · Iceland

Selfoss

Cool and wet from June to August; cold and wet from November to March.

Typical weather, averaged over 30 years63.9°N95 m above the sea
  1. Jan37°3°27°-3°Rain on about four days a week.
  2. Feb37°3°26°-3°Rain on about four days a week.
  3. Mar39°4°28°-2°Rain on about four days a week.
  4. Apr45°7°32°0°Rain on about four days a week.
  5. May51°11°38°3°Rain on about four days a week.
  6. Jun57°14°44°7°Rain on about four days a week.
  7. Jul59°15°47°8°Rain on about four days a week.
  8. Aug59°15°47°8°Rain on about four days a week.
  9. Sep53°12°43°6°Rain on about five days a week.
  10. Oct47°8°37°3°Rain on about four days a week.
  11. Nov40°4°32°0°Rain on about four days a week.
  12. Dec37°3°27°-3°Rain on about four days a week.
Each month: its typical high and low, and dots for wet days a week. Tap a month to open it.The mildest months

The warm season runs from June to August, with highs near 58°F and nights near 46°F. From November to March, highs are nearer 38°F. Rain and snow come in two spells, from January to February and in September. May to August is the driest stretch, with rain on about four days a week. Daylight runs from about 4½ hours in December to 20½ hours in June.The warm season runs from June to August, with highs near 14°C and nights near 8°C. From November to March, highs are nearer 3°C. Rain and snow come in two spells, from January to February and in September. May to August is the driest stretch, with rain on about four days a week. Daylight runs from about 4½ hours in December to 20½ hours in June.

Where Selfoss sits

Atlantic/Reykjavik
this place
typical high in Januarytypical high in Februarytypical high in Marchtypical high in Apriltypical high in Maytypical high in Junetypical high in Julytypical high in Augusttypical high in Septembertypical high in Octobertypical high in Novembertypical high in December 40°F4°C95°F35°C
Latitude
63.9°Nnorthern hemisphere
Above the sea
95 mlow-lying
Sunrise, mid-JanuarySunrise, mid-FebruarySunrise, mid-MarchSunrise, mid-AprilSunrise, mid-MaySunrise, mid-JuneSunrise, mid-JulySunrise, mid-AugustSunrise, mid-SeptemberSunrise, mid-OctoberSunrise, mid-NovemberSunrise, mid-December
10:51 AM9:22 AM7:46 AM5:56 AM4:14 AM2:59 AM3:38 AM5:14 AM6:44 AM8:10 AM9:48 AM11:08 AMsets 4:15 PMsets 5:55 PMsets 7:21 PMsets 8:52 PMsets 10:26 PMsets 11:49 PMsets 11:22 PMsets 9:44 PMsets 7:54 PMsets 6:09 PMsets 4:29 PMsets 3:30 PM
Nearest of ours
Hella32 km east

The land around Selfoss, shaded by its typical high in January, the planning map's own layer.The land around Selfoss, shaded by its typical high in February, the planning map's own layer.The land around Selfoss, shaded by its typical high in March, the planning map's own layer.The land around Selfoss, shaded by its typical high in April, the planning map's own layer.The land around Selfoss, shaded by its typical high in May, the planning map's own layer.The land around Selfoss, shaded by its typical high in June, the planning map's own layer.The land around Selfoss, shaded by its typical high in July, the planning map's own layer.The land around Selfoss, shaded by its typical high in August, the planning map's own layer.The land around Selfoss, shaded by its typical high in September, the planning map's own layer.The land around Selfoss, shaded by its typical high in October, the planning map's own layer.The land around Selfoss, shaded by its typical high in November, the planning map's own layer.The land around Selfoss, shaded by its typical high in December, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Through the year

week by week

Temperature

Highs from 37°F in December and January to 59°F in July and August.Highs from 3°C in December and January to 15°C in July and August.

Chance of a wet day

Wettest in September (66% of days), driest in June (50%).

Cloud cover

Clearest in May (61% cover), cloudiest in January (75%).

Daylight

From 4h 26m in December to 20h 41m in June.

Week by week, lightly smoothed. Shading marks the seasons; the olive line, the mildest months. Hover or tap a week for its figures.

Month by month

°F°C
Selfoss, month by month: the typical high and low, wet days a week, cloud cover and daylight.
MonthTypical low to highWet days a weekCloudDaylight
January
27°-3°37°3°
4 days75%5h 33m
February
26°-3°37°3°
4 days74%8h 24m
March
28°-2°39°4°
4 days71%11h 36m
April
32°0°45°7°
4 days67%14h 58m
May
38°3°51°11°
4 days61%18h 20m
JuneWarm seasonMildest
44°7°57°14°
4 days64%20h 41m
JulyWarm seasonMildest
47°8°59°15°
4 days65%19h 28m
AugustWarm seasonMildest
47°8°59°15°
4 days65%16h 12m
SeptemberRainy season
43°6°53°12°
5 days69%12h 48m
October
37°3°47°8°
4 days67%9h 28m
November
32°0°40°4°
4 days68%6h 20m
December
27°-3°37°3°
4 days71%4h 26m

When is the best time to visit Selfoss?

Selfoss is never warm. Its mildest months are June to August: highs near 58°F, nights near 46°F, and rain on about four days a week.Selfoss is never warm. Its mildest months are June to August: highs near 14°C, nights near 8°C, and rain on about four days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

Questions

What is the warmest month in Selfoss?

July and August, with highs near 59°F and lows near 47°F. The coolest are December and January, with highs near 37°F.July and August, with highs near 15°C and lows near 8°C. The coolest are December and January, with highs near 3°C.

When does it rain most in Selfoss?

September, with rain on about five days a week. June is the driest, with rain on about four days a week.

How long are the days in Selfoss?

From about 4½ hours in December to 20½ hours in June.

When are the skies clearest in Selfoss?

May, when cloud covers about 61% of the sky on average. January is the cloudiest, at about 75%.

Places with a year like Selfoss's

by their highs, lows and wet days

Their highs, lows, wet days and cloud run closest to Selfoss's through the year, one place a country. “Six months apart”: their winter is Selfoss's summer.

Elsewhere in Iceland

All of Iceland

Where to stay

3 in our collection
Open the planning map

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Selfoss. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (95 m) against the climate model's (15 m).Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (95 m) against the climate model's (15 m). Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.