Climate Insights for Þorlákshöfn

Sveitarfélagið Ölfus, Suðurland, Iceland

Hottest
July
12°C peak
Coldest
January
0°C low
Wettest
September
182mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Þorlákshöfn is cool. The average annual temperature is 6°C and approximately 1790mm of precipitation falls per year. Þorlákshöfn receives a notable amount of rainfall throughout the year, including during its driest month. Þorlákshöfn is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, February, December, when temperatures can drop to 0°C. Snowfall occurs from January to December, with around 196cm accumulating over the season.

Temperature

0° 5° 10° 15° 20° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 3° Average: 1° Min: 0° Feb Max: 3° Average: 2° Min: 0° Mar Max: 4° Average: 2° Min: 1° Apr Max: 6° Average: 5° Min: 3° May Max: 8° Average: 7° Min: 5° Jun Max: 10° Average: 9° Min: 8° Jul Max: 12° Average: 11° Min: 10° Aug Max: 12° Average: 11° Min: 10° Sep Max: 10° Average: 9° Min: 8° Oct Max: 7° Average: 6° Min: 5° Nov Max: 5° Average: 4° Min: 3° Dec Max: 4° Average: 2° Min: 1°
Max
Average
Min

Þorlákshöfn sees moderate temperature variation throughout the year, ranging from 0°C to 12°C. July is the warmest month, though highs remain moderate at 12°C with a mean of 11°C. The coldest month is January, when overnight lows fall to 0°C and the daily average is 1°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows. The sharpest temperature change occurs between September and October, with a 3°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 180mm Snow: 45mm Feb Precipitation: 179mm Snow: 53mm Mar Precipitation: 153mm Snow: 32mm Apr Precipitation: 142mm Snow: 15mm May Precipitation: 132mm Snow: 2mm Jun Precipitation: 100mm Snow: 0mm Jul Precipitation: 102mm Snow: 0mm Aug Precipitation: 128mm Snow: 0mm Sep Precipitation: 182mm Snow: 0mm Oct Precipitation: 174mm Snow: 6mm Nov Precipitation: 157mm Snow: 10mm Dec Precipitation: 162mm Snow: 33mm
Precipitation
Snow

Þorlákshöfn is a fairly wet location, receiving approximately 1790mm of precipitation annually, which averages out to around 149mm per month. The wettest month is September, averaging 182mm of rainfall. January and February also tend to see above-average precipitation. The driest month is June, with just 100mm. That's 82mm less than September, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Snowfall is a regular feature from January to December, with around 196cm accumulating over the season. February typically sees the most snow at around 53cm.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h 25km/h 30km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 28km/h Feb Wind Speed: 28km/h Mar Wind Speed: 25km/h Apr Wind Speed: 23km/h May Wind Speed: 21km/h Jun Wind Speed: 18km/h Jul Wind Speed: 17km/h Aug Wind Speed: 18km/h Sep Wind Speed: 22km/h Oct Wind Speed: 24km/h Nov Wind Speed: 25km/h Dec Wind Speed: 26km/h
Wind Speed

Þorlákshöfn is moderately windy, with an average annual wind speed of 23km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 28km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 17km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 11km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 27km/h in winter, 23km/h in spring, 18km/h in summer, 23km/h in autumn.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

87 days until Winter

It is currently autumn in Þorlákshöfn, which began on September 23, 2026. Þorlákshöfn is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 12°C, while the coldest stretch bottoms out in January near 0°C. Winter is next, beginning on December 21, 2026 (87 days from now).

Spring

Temperatures range from 1 to 8°C. Rainfall is heavy, totalling around 426mm across the season with a monthly average of 142mm. Winds are moderate at around 23km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 8 to 12°C. Rainfall is heavy, totalling around 330mm across the season with a monthly average of 110mm. Winds are moderate at around 18km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from 3 to 10°C. Rainfall is heavy, totalling around 513mm across the season with a monthly average of 171mm. Expect around 16cm of snow accumulation during this period. Winds are moderate at around 23km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 0 to 4°C. Rainfall is heavy, totalling around 520mm across the season with a monthly average of 173mm. Expect around 131cm of snow accumulation during this period. Winds are strong, averaging 27km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.

Monthly Climate Data

The table below shows monthly climate averages for Þorlákshöfn based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
0 °C
3 °C
28 km/h
180 mm
45 cm
Feb
0 °C
3 °C
28 km/h
179 mm
53 cm
Mar
1 °C
4 °C
25 km/h
153 mm
32 cm
Apr
3 °C
6 °C
23 km/h
142 mm
15 cm
May
5 °C
8 °C
21 km/h
132 mm
2 cm
Jun
8 °C
10 °C
18 km/h
100 mm
0 cm
Jul
10 °C
12 °C
17 km/h
102 mm
0 cm
Aug
10 °C
12 °C
18 km/h
128 mm
0 cm
Sep Current
8 °C
10 °C
22 km/h
182 mm
0 cm
Oct
5 °C
7 °C
24 km/h
174 mm
6 cm
Nov
3 °C
5 °C
25 km/h
157 mm
10 cm
Dec
1 °C
4 °C
26 km/h
162 mm
33 cm
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Metric (°C, km/h)