Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average sea temperature in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
May
Weather in May
Temperature
As April gives way to May, the average high-temperature displays a slight ascent, adjusting from an icy 5.3°C (41.5°F) to a cool 10°C (50°F). The nighttime temperature in May experiences a minor dip, averaging an icy 5.5°C (41.9°F).Humidity
The average relative humidity in May is 72%.Rainfall
In Härnösand, during May, the rain falls for 9.3 days and regularly aggregates up to 23mm (0.91") of precipitation. In Härnösand, Sweden, during the entire year, the rain falls for 93.9 days and collects up to 304mm (11.97") of precipitation.Snowfall
January through May, October through December are months with snowfall in Härnösand. May is the last month it regularly snows. During 0.8 snowfall days, in May, Härnösand aggregates 2mm (0.08") of snow. Throughout the year, there are 60.8 snowfall days, and 495mm (19.49") of snow is accumulated.Sea temperature
In Härnösand, in May, the average water temperature is 5.3°C (41.5°F).Note: Unprotected swimming in 5.3°C (41.5°F) is dangerous due to potential cold shock. Especially when temperatures go below 10°C (50°F), leading to hyperventilation.
Daylight
In May, the average length of the day in Härnösand is 17h and 56min.On the first day of May in Härnösand, sunrise is at 04:28 and sunset at 21:02. On the last day of the month, sunrise is at 03:07 and sunset at 22:24 CEST.
Sunshine
In Härnösand, the average sunshine in May is 10.6h.UV index
In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 4 in May leads to these recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Härnösand in May?
What is the average humidity in May in Härnösand?
How much does it rain in Härnösand in May?
What is the last month it snows in Härnösand?
What is the sea water temperature in May in Härnösand?
What is the average length of the day in May in Härnösand?
What time are sunrise and sunset in May in Härnösand?
How long on average sun shines in May in Härnösand?
How high is the UV index in May in Härnösand?
Average temperature in May
Härnösand, Sweden
- Average high temperature in May: 10°C
The warmest month (with the highest average high temperature) is July (18.2°C).
The month with the lowest average high temperature is February (-1.8°C).
- Average low temperature in May: 5.5°C
The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is February (-5°C).
Average pressure in May
Härnösand, Sweden
- Average pressure in May: 1014.3mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1005.8mbar).
Average wind speed in May
Härnösand, Sweden
- Average wind speed in May: 13.9km/h
The windiest month (with the highest average wind speed) is December (18.8km/h).
The calmest months (with the lowest average wind speed) are May and August (13.9km/h).
Average humidity in May
Härnösand, Sweden
- Average humidity in May: 72%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is June (71%).
Average rainfall in May
Härnösand, Sweden
- Average rainfall in May: 23mm
The wettest months (with the highest rainfall) are January and December (36mm).
The driest months (with the least rainfall) are April and June (15mm).
Average rainfall days in May
Härnösand, Sweden
- Average rainfall days in May: 9.3 days
The month with the highest number of rainy days is July (10.4 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in May
Härnösand, Sweden
- Average snowfall in May: 2mm
The month with the highest snowfall is January (150mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Härnösand, Sweden
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is January (14.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in May
Härnösand, Sweden
- Average sea temperature in May: 5.3°C
The best month for swimming (with the highest average sea temperature) is August (17°C).
The coldest months (with the lowest average sea temperature) are February and March (0.3°C).
Average daylight in May /
Average sunshine in May
Härnösand, Sweden
- Average daylight in May: 17h and 5min
The month with the longest days is June (Average daylight: 19h and 54min).
The month with the shortest days is December (Average daylight: 5h and 6min).
- Average sunshine in May: 10h and 4min
The month with the most sunshine is June (Average sunshine: 13h and 6min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).
Average sunshine days in May
Härnösand, Sweden
- Average sunshine days in May: 21 days
The month with the most sunshine days is June (21.8 days).
The month with the least sunshine days is February (10.8 days).
Average UV index in May
Härnösand, Sweden
- Average UV index in May: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover in May
Härnösand, Sweden
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in May
Härnösand, Sweden
- Average visibility in May: 10km
The months with the highest visibility are May, June, July, August, September and October (10km).
The month with the lowest visibility is January (8km).
