Hafnarfjördur weather in May (Capital Region, Iceland)

Planning a trip to Hafnarfjördur in May? This guide provides all the details you need.

In May, Hafnarfjördur typically experiences low temperatures and moderate rainfall. Daytime temperatures hover around 11°C, while nights can cool down to about 4°C.

Hafnarfjördur in May usually receives moderate rainfall, averaging around 97 mm for the month. When we look at the climate data from the last 30 years, we can expect around 16 days of rain.

The city usually sees around 201 hours of sunlight, indicating many sunny days.

In case you lean more towards enjoying temperate temperatures and rain-free days June and July typically offer the most optimal weather. In contrast, January, February, March, April, September, October, November and December tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Hafnarfjördur climate page with graphs.

 

Hafnarfjördur, monthly averages in May

Min Temperature 4°C  

Max Temperature 11°C  

Water Temperature 8°C *  

Chance of Rain 53%  

Precipitation 97 mm  

Rainy days 16 days  

Humidity 76% *  

Windspeed 18 km/h *  

Sunshine 201 hours *  

Percentage Sunshine 35% *  

* Data from: Reykjavík, Iceland (7 KM, 4 Miles).

Where to go in Iceland in May

Find out more about the weather in Iceland in May and which places have the best weather conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Hafnarfjördur in May?

Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay. With a water temperature of around 8°C there is no need to bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in May.

Swimming

4/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

6/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Hafnarfjördur.

Our site offers climate and forecast data for every country in the world. Are you going to Iceland? On this website you can find historical weather averages for many cities in Iceland. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.