ClimateExplore the planning map
Climate · Grindavík

Grindavík in December

Chilly and wet, as the days shorten.

Typical weather, averaged over 30 years

December in Grindavík is chilly: highs near 41°F, lows near 32°F. Rain or snow falls on about four days a week, less often as the month goes on, and the days shorten by 21 minutes from the first week to the last.December in Grindavík is chilly: highs near 5°C, lows near 0°C. Rain or snow falls on about four days a week, less often as the month goes on, and the days shorten by 21 minutes from the first week to the last.

High
41°F5°Caverage
Low
32°F0°Caverage
Wet days
4a week · 64% of days
Daylight
4h 29mon average

Is December a good time to visit Grindavík?

December sits outside Grindavík's mildest months, which run from June to August. Expect chilly days and rain or snow 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.

How December sits in the year

week by week

Temperature

Highs near 41°F in December, against 40°F to 58°F through the year.Highs near 5°C in December, against 4°C to 14°C through the year.

Chance of a wet day

64% of days in December, against 47% to 67% through the year.

Cloud cover

72% cover in December, against 62% to 76% through the year.

Daylight

4h 29m in December, against 4h 29m to 20h 37m through the year.

Week by week, lightly smoothed, with December shaded. The olive line marks the mildest months. Hover or tap a week for its figures.

Either side

  1. November43°6°low 35°low 2°4 wet days a weekRain on about four days a week.
  2. December41°5°low 32°low 0°4 wet days a weekRain on about four days a week.
  3. January40°4°low 31°low -1°4 wet days a weekRain on about four days a week.

Where Grindavík sits, in December

Atlantic/Reykjavik
this place
typical high in December 40°F4°C95°F35°C
Sunrise, mid-December
11:12 AMsets 3:37 PM
Above the sea
30 mlow-lying
Latitude
63.8°Nnorthern hemisphere
Nearest of ours
Reykjavik41 km north-east

The land around Grindavík, 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.

Elsewhere in Iceland in December

high · low · wet days
See December on the planning mapThe whole year in Grindavík

Typical weather, averaged over 30 years (1995–2024), read 7 km north-west of Grindavík. Its own grid square is mostly sea and holds only a daily average, so the page reads the nearest square with a true high and low near the town's height. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. 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.