NorwayAverage weather for Heligoland in May
It's cool in May in Heligoland with an average temperature of 13°C. Temperatures this month range from a low of 11°C to a high of 16°C. At night, you can expect temperatures between 7°C and 12°C.
Start of May
The month of May starts in Heligoland with cool temps, averaging around 13°C during the day and nights around 9°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month. Go for a warm jacket, sweater or hoodie, and long pants.
Mid May
By mid-May, daytime temps rise to around 14°C, with nights around 10°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of May
By the end of May, the average daytime temperature in Heligoland is around 15°C, while nighttime temps are about 11°C. A shower might pop up, but overall, the weather will be dry and sunny.
In May, there is an average of 84 mm of precipitation, spread over 9 days. The wind speed is around 5 Bft, mostly coming from the Southwest.
Heligoland in May |
New York | ||
|---|---|---|---|
 Average temperature |
13°C | 22°C | |
 Max. temperature |
16°C | 28°C | |
| Min. temperature |
11°C | -5°C | |
 Total precipitation |
84 mm | 105 mm | |
| Rainy days |
9 days | 14 days | |
April
UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Temperature records
With 27°C in 2014, Heligoland reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 8°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of 2°C to a highest value of 17°C.
Check out the climate of Heligoland for all months and discover the best travel time
Daily Temperature in May in Heligoland
This chart shows the average daily high and low temperatures in May for Heligoland, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in May in Heligoland
The chart below shows the average daily precipitation in May for Heligoland, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for May, you can expect about 9 days of precipitation in Heligoland.
Daily UV index in May in Heligoland
This chart shows the average daily UV index in May in Heligoland, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in May in Heligoland over the years
This chart shows the average temperature in May in Heligoland, measured in degrees Celsius, over the past few years.
Total precipitation in May in Heligoland over the years
This chart shows the average precipitation in May in Heligoland, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in May for Heligoland
Click on any day in May to get detailed info about the usual weather on that day in Heligoland. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in May in Heligoland
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Average weather in Heligoland by month
Click on a month below to see detailed weather info for Heligoland. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Heligoland for all months at once
