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Weather in Iceland for May 2025

Your guide to Iceland weather in May - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Iceland during May is quite rare, with fewer than 2 snowy days on average.

  • Temperatures

  • In general, the average temperature in Iceland at the beginning of May is 6.9 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 10 °C by the end of May.

  • Rain 🌧️

  • Iceland experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 124.1 mm.

Average dry days
3
Dry days
Average rainy days
27
Rainy days
Average snowy days
1
Snow days
Average temperatures
8°/4°
Temperatures
Average wind speed
25 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Iceland Weather May

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Temperatures trend during May in Iceland

See the weather trend as well as the moving average line

May weather day by day

Click on a date for more information
Date Weather Temperatures Rain Snow More
1 May Cloudy
Cloudy
6° /1° 0 mm 0 cm
2 May Partly cloudy
Partly cloudy
7° /1° 3 mm 0 cm
3 May Sunny
Sunny
7° /2° 4.7 mm 0 cm
4 May Overcast
Overcast
6° /2° 1.6 mm 0 cm
5 May Cloudy
Cloudy
7° /2° 4.4 mm 0 cm
6 May Partly cloudy
Partly cloudy
7° /2° 2.2 mm 0 cm
7 May Patchy rain possible
Patchy rain possible
8° /4° 3.5 mm 0 cm
8 May Patchy rain possible
Patchy rain possible
8° /4° 3 mm 0.1 cm
9 May Patchy rain possible
Patchy rain possible
9° /3° 2.6 mm 0 cm
10 May Patchy rain possible
Patchy rain possible
9° /3° 1.2 mm 0 cm
11 May Patchy rain possible
Patchy rain possible
8° /3° 2.5 mm 0 cm
12 May Moderate rain at times
Moderate rain at times
7° /3° 6.7 mm 0 cm
13 May Patchy rain possible
Patchy rain possible
7° /3° 4.9 mm 0 cm
14 May Moderate or heavy rain shower
Moderate or heavy rain shower
6° /1° 6.6 mm 0 cm
15 May Moderate rain at times
Moderate rain at times
8° /2° 3.9 mm 0 cm
16 May Sunny
Sunny
10° /2° 1.6 mm 0 cm
17 May Patchy rain possible
Patchy rain possible
9° /4° 0.7 mm 0 cm
18 May Patchy rain possible
Patchy rain possible
9° /5° 1.8 mm 0 cm
19 May Moderate rain at times
Moderate rain at times
9° /4° 6.8 mm 0 cm
20 May Patchy rain possible
Patchy rain possible
8° /4° 4.4 mm 0 cm
21 May Sunny
Sunny
9° /3° 2.7 mm 0 cm
22 May Patchy rain possible
Patchy rain possible
8° /3° 2.5 mm 0 cm
23 May Patchy rain possible
Patchy rain possible
9° /3° 5.7 mm 0.1 cm
24 May Patchy rain possible
Patchy rain possible
9° /5° 8 mm 0 cm
25 May Moderate rain at times
Moderate rain at times
10° /5° 2.5 mm 0 cm
26 May Patchy rain possible
Patchy rain possible
10° /5° 6.1 mm 0 cm
27 May Partly cloudy
Partly cloudy
11° /5° 0.3 mm 0 cm
28 May Moderate rain at times
Moderate rain at times
10° /6° 7.7 mm 0 cm
29 May Patchy rain possible
Patchy rain possible
10° /6° 5.7 mm 0 cm
30 May Moderate or heavy rain shower
Moderate or heavy rain shower
10° /6° 11.5 mm 0 cm
31 May Patchy rain possible
Patchy rain possible
9° /5° 5.2 mm 0 cm
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Important Notice
Our weather forecast for Iceland in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Iceland forecast closer to your planned date for the most up-to-date weather information.

Guide for Iceland in May

In May, Iceland experiences a transition from late spring to early summer, bringing about notable changes in the weather. At the beginning of the month, Iceland's weather is characterized by cool temperatures and a mix of sun and clouds.

The average temperature in Reykjavik at the start of May is around 7°, with daylight hours increasing as the country moves closer to the summer solstice. However, it's important to note that Iceland's weather can be quite unpredictable, so visitors should be prepared for sudden changes.

By the end of May, Iceland sees a significant shift in its weather patterns. The average temperature in Reykjavik rises to around 10°, and the country experiences longer daylight hours, providing more opportunities for outdoor activities and sightseeing.

Additionally, the end of May marks the beginning of the peak tourist season in Iceland, as travelers flock to the country to witness the stunning landscapes and natural attractions in the favorable weather conditions.

Overall, May in Iceland offers a mix of spring and early summer weather, making it an ideal time to explore the country's unique natural beauty.

Have you visited Iceland in May? Share your experience by writing a review.

Iceland in May - FAQ

What are the expected maximum and minimum temperatures in Iceland during May?
Prepare for cooler days with highs just around 8° and colder nights, dipping below 4°.
How much rainfall should be expected in Iceland during May?
Significant rainfall exceeding 124.1 mm is expected in Iceland during May, occurring over more than 27 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Iceland in May 2025?
Iceland typically sees 0.185 cm of snowfall during May.
What are the typical wind conditions in Iceland during May?
The average wind speed in Iceland during May is 25 km/h, suggesting breezy to windy conditions, depending on your activities.

Iceland snow forecast May 2025

Track daily snowfall levels and discover Iceland’s snowy potential this May ❄️

May rainfall patterns in Iceland

Explore the daily rainfall trends and prepare for Icelands May weather 💧
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Location coordinates Where is Iceland?

Get accurate weather forecasts for Iceland, located at latitude 64.135 and longitude -21.895. Stay updated with localized weather information tailored for Iceland.

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