May weather forecastBorgarnes, Iceland
May
Weather in May
The city of Borgarnes steps into May with the anticipation of warmer weather and celebrating the glorious bloom of spring. The Municipality of Borgarbyggð, home to Borgarnes, is known for its awe-inspiring natural beauty which starts to reveal itself during this month. Residential gardens and public parks spring into lively colors as the blooming season takes hold. The pleasant sight of clear skies and blooming vegetation confirms the departure of winter. As the temperatures gradually increase, the weather provides excellent opportunities for outdoor activities and sightseeing.Temperature
May marks a minor ascent in the average high-temperature in Borgarnes, adjusting from April's cold 4.9°C (40.8°F) to a chilly 8.3°C (46.9°F). During May, Borgarnes's nighttime temperatures demonstrate a subtle cooling from daytime highs, stabilizing at a cold 4.1°C (39.4°F).Humidity
May is the least humid month in Borgarnes, with an average relative humidity of 75%.Rainfall
In May, the rain falls for 15.5 days. Throughout May, 32mm (1.26") of precipitation is accumulated. In Borgarnes, during the entire year, the rain falls for 166.2 days and collects up to 416mm (16.38") of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Borgarnes, Iceland. During 1.2 snowfall days, in May, Borgarnes aggregates 2mm (0.08") of snow. In Borgarnes, Iceland, during the entire year, snow falls for 41.1 days and aggregates up to 309mm (12.17") of snow.Sea temperature
In Borgarnes, in May, the average water temperature is 6.3°C (43.3°F).Note: It is risky to swim in 6.3°C (43.3°F). Temperatures beneath 10°C (50°F) induce rapid cold shock and hyperventilation.
Daylight
In Borgarnes, the average length of the day in May is 18h and 40min.On the first day of the month, sunrise is at 04:53 and sunset at 21:55. On the last day of May, sunrise is at 03:14 and sunset at 23:35 GMT.
Sunshine
The average sunshine in May in Borgarnes is 7h.UV index
In May, the average daily maximum UV index in Borgarnes is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: During May, 2 as the daily maximum UV index converts into the following advice:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Borgarnes, Iceland
- Average high temperature in May: 8.3°C
The warmest month (with the highest average high temperature) is July (13.5°C).
The month with the lowest average high temperature is December (1.3°C).
- Average low temperature in May: 4.1°C
The month with the highest average low temperature is July (9.1°C).
The coldest month (with the lowest average low temperature) is December (-2.4°C).
Average pressure in May
Borgarnes, Iceland
- Average pressure in May: 1012.1mbar
The month with the highest atmospheric pressure is June (1013.8mbar).
The month with the lowest atmospheric pressure is January (996.6mbar).
Average wind speed in May
Borgarnes, Iceland
- Average wind speed in May: 19.1km/h
The windiest month (with the highest average wind speed) is February (24.9km/h).
The calmest months (with the lowest average wind speed) are June and July (14.9km/h).
Average humidity in May
Borgarnes, Iceland
- Average humidity in May: 75%
The months with the highest relative humidity are January, February and September (82%).
The month with the lowest relative humidity is May (75%).
Average rainfall in May
Borgarnes, Iceland
- Average rainfall in May: 32mm
The wettest month (with the highest rainfall) is January (47mm).
The driest months (with the least rainfall) are June and July (25mm).
Average rainfall days in May
Borgarnes, Iceland
- Average rainfall days in May: 15.5 days
The month with the highest number of rainy days is September (17.8 days).
The month with the least rainy days is December (9.7 days).
Average snowfall in May
Borgarnes, Iceland
- Average snowfall in May: 2mm
The month with the highest snowfall is March (100mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Borgarnes, Iceland
- Average snowfall days in May: 1.2 days
The month with the highest number of snowfall days is March (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in May
Borgarnes, Iceland
- Average sea temperature in May: 6.3°C
The best month for swimming (with the highest average sea temperature) is August (10.8°C).
The coldest month (with the lowest average sea temperature) is March (4.1°C).
Average daylight in May /
Average sunshine in May
Borgarnes, Iceland
- Average daylight in May: 18h and 42min
The month with the longest days is June (Average daylight: 21h and 12min).
The month with the shortest days is December (Average daylight: 4h and 12min).
- Average sunshine in May: 7h and 0min
The month with the most sunshine is August (Average sunshine: 7h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in May
Borgarnes, Iceland
- Average sunshine days in May: 10.4 days
The month with the most sunshine days is December (14.1 days).
The month with the least sunshine days is September (8.8 days).
Average UV index in May
Borgarnes, Iceland
- Average UV index in May: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in May
Borgarnes, Iceland
- Average cloud cover in May: 62
The months with the most cloud cover are March and April (Cloud cover 68).
The months with the least cloud cover are August and December (Cloud cover 60).
Average visibility in May
Borgarnes, Iceland
- Average visibility in May: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).
