Weather in Iceland for May 2027
Snowfall in Iceland during May is quite rare, with fewer than 2 snowy days on average.
In general, the average temperature in Iceland at the beginning of May is 6.4 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 9.2 °C by the end of May.
Iceland in May brings notable rainfall, with an average of 17 rainy days and a total precipitation of 107.4 mm.
Is May a good time to visit Iceland? check out the best time to travel to Iceland page.
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Iceland Weather May
What’s the Weather Like in Iceland This May?
Temperatures trend during May in Iceland
May weather in Iceland day by day
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 May |  Cloudy | 6° /2° | 0.2 mm | 0 cm | |
| 2 May |  Patchy rain possible | 6° /2° | 2.3 mm | 0 cm | |
| 3 May |  Light rain | 7° /3° | 3.1 mm | 0 cm | |
| 4 May | Patchy rain possible | 6° /2° | 1.1 mm | 0 cm | |
| 5 May | Light rain | 6° /3° | 3.5 mm | 0 cm | |
| 6 May | Patchy rain possible | 7° /3° | 1.9 mm | 0 cm | |
| 7 May | Light rain | 7° /3° | 4.6 mm | 0 cm | |
| 8 May | Light rain | 7° /3° | 4 mm | 0.1 cm | |
| 9 May | Light rain | 7° /3° | 4.4 mm | 0.1 cm | |
| 10 May | Light rain | 7° /4° | 3 mm | 0.2 cm | |
| 11 May | Patchy rain possible | 7° /4° | 2.1 mm | 0 cm | |
| 12 May |  Moderate rain at times | 7° /4° | 5 mm | 0 cm | |
| 13 May | Light rain | 7° /3° | 3.3 mm | 0 cm | |
| 14 May | Light rain | 7° /3° | 4.4 mm | 0 cm | |
| 15 May | Light rain | 8° /4° | 3.4 mm | 0 cm | |
| 16 May | Light rain | 10° /4° | 3.6 mm | 0 cm | |
| 17 May | Patchy rain possible | 9° /6° | 0.6 mm | 0 cm | |
| 18 May | Patchy rain possible | 10° /5° | 1.2 mm | 0 cm | |
| 19 May | Light rain | 9° /5° | 4.6 mm | 0 cm | |
| 20 May | Light rain | 9° /5° | 2.9 mm | 0 cm | |
| 21 May | Patchy rain possible | 10° /5° | 1.8 mm | 0 cm | |
| 22 May | Light rain | 9° /5° | 3.2 mm | 0 cm | |
| 23 May | Light rain | 9° /4° | 5.4 mm | 0 cm | |
| 24 May | Light rain | 9° /6° | 6.7 mm | 0 cm | |
| 25 May | Patchy rain possible | 9° /6° | 2.4 mm | 0 cm | |
| 26 May | Light rain | 10° /6° | 4.4 mm | 0 cm | |
| 27 May | Patchy rain possible | 10° /6° | 0.5 mm | 0 cm | |
| 28 May | Light rain | 9° /6° | 6.5 mm | 0 cm | |
| 29 May | Light rain | 9° /6° | 4.6 mm | 0 cm | |
| 30 May | Light rain | 9° /6° | 9 mm | 0 cm | |
| 31 May | Light rain | 9° /6° | 3.5 mm | 0 cm | |
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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.