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Weather in Iceland, California for May 2027

Your guide to Iceland weather in May - trends and predictions

    Snow Forecast ❄️

  • Iceland typically experiences moderate snowfall in May, with an average of 6 snowy days.

    • Temperatures

  • In general, the average temperature in Iceland at the beginning of May is 11.7 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 15.6 °C by the end of May.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
21
Dry days
Average rainy days
4
Rainy days
Average snowy days
6
Snow days
Average temperatures
14°/4°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
54 %
Avg humidity

Iceland Weather May

Move between months or click on a day
April
June
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Sunny
14°
2
Patchy rain possible
13°
3
Patchy rain possible
10°
4
Patchy rain possible
5°
5
Partly cloudy
10°
6
Sunny
15°
7
Partly cloudy
15°
8
Sunny
17°
9
Sunny
19°
10
Sunny
19°
11
Sunny
16°
12
Heavy rain at times
11°
13
Patchy moderate snow
9°
14
Cloudy
14°
15
Cloudy
14°
16
Patchy rain possible
13°
17
Moderate rain at times
7°
18
Sunny
10°
19
Sunny
14°
20
Sunny
16°
21
Sunny
21°
22
Sunny
15°
23
Sunny
16°
24
Patchy rain possible
18°
25
Fog
17°
26
Overcast
11°
27
Thundery outbreaks possible
12°
28
Mist
14°
29
Overcast
13°
30
Partly cloudy
20°
31
Partly cloudy
22°

Temperatures trend during May in Iceland

See the weather trend as well as the moving average line

May weather in Iceland day by day

Click on a date for more information
April June
Date Weather Temperatures Rain Snow More
May 1 Sunny
Sunny
 14° /2° 0 mm 0 cm
May 2 Patchy rain possible
Patchy rain possible
 13° /3° 0.4 mm 0 cm
May 3 Patchy rain possible
Patchy rain possible
 10° /1° 10 mm 0.3 cm
May 4 Patchy rain possible
Patchy rain possible
 5° /0° 12.2 mm 5.5 cm
May 5 Partly cloudy
Partly cloudy
 10° /-2° 3.8 mm 2.4 cm
May 6 Sunny
Sunny
 15° /2° 0 mm 0 cm
May 7 Partly cloudy
Partly cloudy
 15° /4° 0 mm 0 cm
May 8 Sunny
Sunny
 17° /3° 0 mm 0 cm
May 9 Sunny
Sunny
 19° /4° 0 mm 0 cm
May 10 Sunny
Sunny
 19° /6° 0 mm 0 cm
May 11 Sunny
Sunny
 16° /7° 0 mm 0 cm
May 12 Heavy rain at times
Heavy rain at times
 11° /4° 2.9 mm 0 cm
May 13 Patchy moderate snow
Patchy moderate snow
 9° /1° 1.9 mm 0.2 cm
May 14 Cloudy
Cloudy
 14° /1° 0 mm 0 cm
May 15 Cloudy
Cloudy
 14° /2° 0 mm 0 cm
May 16 Patchy rain possible
Patchy rain possible
 13° /3° 0.5 mm 0 cm
May 17 Moderate rain at times
Moderate rain at times
 7° /1° 0.9 mm 0 cm
May 18 Sunny
Sunny
 10° /-1° 0 mm 0 cm
May 19 Sunny
Sunny
 14° /1° 0 mm 0 cm
May 20 Sunny
Sunny
 16° /3° 0 mm 0 cm
May 21 Sunny
Sunny
 21° /3° 0 mm 0 cm
May 22 Sunny
Sunny
 15° /6° 0.9 mm 0 cm
May 23 Sunny
Sunny
 16° /5° 0 mm 0 cm
May 24 Patchy rain possible
Patchy rain possible
 18° /7° 0.1 mm 0 cm
May 25 Fog
Fog
 17° /6° 0 mm 0 cm
May 26 Overcast
Overcast
 11° /2° 1.1 mm 0 cm
May 27 Thundery outbreaks possible
Thundery outbreaks possible
 12° /2° 2.2 mm 0 cm
May 28 Mist
Mist
 14° /4° 1.5 mm 0.9 cm
May 29 Overcast
Overcast
 13° /4° 1 mm 0.7 cm
May 30 Partly cloudy
Partly cloudy
 20° /8° 0 mm 0 cm
May 31 Partly cloudy
Partly cloudy
 22° /11° 0 mm 0 cm
Next
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.
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Iceland in May - FAQ

What are the expected maximum and minimum temperatures in Iceland during May?
Prepare for cooler days with highs just around 14° and colder nights, dipping below 4°.

How much rainfall should be expected in Iceland during May?
In May, Iceland can expect light to moderate rainfall, totaling 39.6 mm across approximately 4 days. Occasional showers are possible, and planning ahead for them could be helpful.

Will it snow in Iceland in May 2027?
Iceland experiences an average snowfall of 9.975 cm during May, occurring over 6 days.

What are the typical wind conditions in Iceland during May?
The average wind speed in Iceland during May is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

Iceland snow forecast May 2027

Track daily snowfall levels and discover Iceland’s snowy potential this May ❄️
On average, Iceland sees 6 snowy days during May, with approximately 10 cm of total snowfall.

May rainfall patterns in Iceland

Explore the daily rainfall trends and prepare for Icelands May weather 💧
Typically, Iceland has 4 rainy days in May with a total of 39.6 mm of rainfall.

UV exposure in Iceland during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️

Quick links

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Location coordinates Where is Iceland?

Get accurate weather forecasts for Iceland, located at latitude 39.375 and longitude -120.026. Stay updated with localized weather information tailored for Iceland.

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