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Reykjavik in May: Weather, Average temperature and Climate

Take a look at past year’s weather for Reykjavik in May and see if it is worth visiting.
Check flight prices to Reykjavik on Avionero:
May

Weather in Reykjavik in May 2024

OK Weather
Chill
☁️
Cloudy
If you plan to visit Reykjavik in May, the weather is typically alright, with an average high temperature of +50°F during the day and approximately 4 sunny days. Expect some rainy, though, as there are typically 10 rainy days in the month and around 81 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.
Good to know:
  • May is usually the driest month of the year in Reykjavik

Average weather

☀️
+50°F
Avg. max. temperature
+18°F
Min.
+66°F
Max.
81 mm
Total precipitation
72%
Avg. humidity
4 m/s
Avg. wind
4 ☀️
Sunny Days
17 ⛅️
Cloudy
10 🌦
Rainy
Our opinion: Reykjavik has OK weather in May.

Average temperature in Reykjavik in May

Here are the expected maximum, average and minimum temperatures in Reykjavik for May based on the historical data.
Last Year
Historical Data

The expected average maximum temperature in May is +52°F with a maximum of +61°F and a minimum of +32°F.

The average maximum temperature goes up 38% by the end of the month, compared with the beginning of the month, from +45°F to +55°F.

Is Reykjavik warm or cold in May?

Reykjavik is typically chill in May.

Maximum temperatures go up compared to the previous month from +43°F to +50°F. The minimum temperature also goes up from +34°F to +39°F.

Pack a jumper and a jacket as there will be cooler temperatures.

Take a look at how May is compared to other months in Reykjavik:

Climate in Reykjavik in May

Reykjavik weather looks like this, on average, in May and the surrounding months.
AprilMayJune
Avg. temperature
+43°F+50°F+55°F
Min. temperature
+7°F+18°F+32°F
Max. temperature
+59°F+66°F+70°F
Rainfall
72 mm81 mm72 mm
Wind
4 m/s4 m/s3 m/s
Humidity
74%72%75%
Air pressure
1008 HPa1011 HPa1011 HPa
Sunny days
342
Cloudy days
181719
Rainy days
8109
Snowy days
100

May weather is still as ok as in April. It’s getting warmer as May arrives. The average maximum temperature goes up from +43°F to +50°F during the day. Prepare for more rain. Average rainfall goes from 72 mm to 81 mm. It feels drier, as humidity decreases from 74% to 72%. The average wind speed doesn’t change much during May, staying around 4 m/s. The good news is there are likely to be more sunny days in May, from 3 to 4.

June brings much the same weather, it remains ok.

Wind

Wind speed in Reykjavik in May based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Reykjavik is gradually decreasing during May, going from 4 m/s to 2 m/s over the course of the month.

Rain

Amount of rainfall in mm during May in Reykjavik based on historical data.
Last Year
Historical Data
A chance of rain on a typical day in May stands at 68%, leading to total precipitation of around 84 mm. The maximum amount of rainfall per day is around 13 mm, which is considered light rain. May is a pretty wet month with over 21 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how May is compared with other months in the amount of precipitation, total mm:
Reykjavik wettest month is September, where a typical day has a 37% chance of precipitation and 98 mm of rainfall per day. March, on the other hand, is the driest month with a mere 19% chance of precipitation and 66 mm of rainfall per day.

How was the weather last May in Reykjavik?

This is the weather in Reykjavik in May 2023:
1 May
☀️
+45°F
2 May
🌧️
+46°F
3 May
🌧️
+48°F
4 May
☁️
+39°F
5 May
☁️
+42°F
6 May
☀️
+42°F
7 May
☁️
+50°F
8 May
☁️
+57°F
9 May
🌧️
+51°F
10 May
☀️
+49°F
11 May
☀️
+43°F
12 May
🌧️
+44°F
13 May
☀️
+42°F
14 May
☀️
+48°F
15 May
🌧️
+55°F
16 May
☁️
+60°F
17 May
☀️
+58°F
18 May
☀️
+57°F
19 May
🌧️
+55°F
20 May
🌧️
+55°F
21 May
☀️
+57°F
22 May
☀️
+55°F
23 May
☁️
+53°F
24 May
🌧️
+48°F
25 May
🌧️
+48°F
26 May
☀️
+53°F
27 May
☁️
+57°F
28 May
☀️
+58°F
29 May
☀️
+60°F
30 May
🌫️
+57°F
31 May
🌧️
+55°F
In May 2023 Reykjavik had 13 sunny days, 7 cloudy days, and 8 rainy days. The average maximum temperature was +52°F, with an absolute maximum of +61°F and a minimum of +39°F. The average humidity was 70%, with a maximum of 100% and a minimum of 33%. The average wind speed was 4 m/s, with a maximum of 12 m/s and a minimum of 0 m/s.
Are you planning a trip in May?

Climate Change Over the Years

This is how Reykjavik climate has changed over the last 43 years.

The climate in Reykjavik in May has not changed that much over the last 43 years.

The average temperature was the lowest in 1979 (+43°F) and the highest in 1996 (+56°F). The driest year was 2010 with only 25 mm of rainfall, and the wettest year was 1988 with 194 mm.

FAQ

Frequently asked questions about the weather in Reykjavik in May:

Is May a good time to visit Reykjavik?

It’s always a good time to visit Reykjavik, but the weather is changeable in May, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Reykjavik in May?

Not really, May is not the best time to sunbathe, unless you visit a local solarium.

Is Reykjavik rainy in May?

Reykjavik is often rainy in May. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Reykjavik in May?

Usually, it’s not very sunny in Reykjavik in May, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Monthly weather in Reykjavik

Source of the data

For this page, we’ve looked at the typical weather in Reykjavik, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.