May weather forecastBollmora, Sweden

May

Weather in May

May, the last month of the spring in Bollmora, is a fresh month, with an average temperature varying between 6.8°C (44.2°F) and 11.9°C (53.4°F).

Temperature

Bollmora, Sweden, experiences a minor temperature shift with the start of May, with average high-temperatures moving from a chilly 7.5°C (45.5°F) in April to a fresh 11.9°C (53.4°F). Bollmora experiences a steady low-temperature of 6.8°C (44.2°F) throughout May.

Humidity

May is the least humid month in Bollmora, Sweden, with an average relative humidity of 75%.

Rainfall

In Bollmora, during May, the rain falls for 6.8 days and regularly aggregates up to 8mm (0.31") of precipitation. In Bollmora, Sweden, during the entire year, the rain falls for 88.9 days and collects up to 116mm (4.57") of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.4 snowfall days, in May, Bollmora aggregates 1mm (0.04") of snow. Throughout the year, in Bollmora, there are 38.5 snowfall days, and 78mm (3.07") of snow is accumulated.

Daylight

In Bollmora, the average length of the day in May is 17h and 1min.
On the first day of the month, sunrise is at 04:46 and sunset at 20:41. On the last day of May, in Bollmora, sunrise is at 03:43 and sunset at 21:46 CEST.

Sunshine

In Bollmora, the average sunshine in May is 9.9h.

UV index

In Bollmora, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily maximum UV index of 4 in May translates into the following instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.

Frequently asked questions

An average high-temperature, in May, in Bollmora, is 11.9°C (53.4°F) and the average low-temperature is 6.8°C (44.2°F).

The least humid month in Bollmora, Sweden, is May, with an average relative humidity of 75%.

In May, the average relative humidity in Bollmora, Sweden, is 75%.

In Bollmora, during May, the rain falls for 6.8 days and regularly aggregates up to 8mm (0.31") of precipitation.

May is the last month it regularly snows. During 0.4 snowfall days, in May, Bollmora aggregates 1mm (0.04") of snow.

The average day length in May in Bollmora, Sweden, is 17h and 1min.

In May, on the first day of the month, sunrise is at 04:46 and sunset at 20:41. On the last day of the month, in Bollmora, sunrise is at 03:43 and sunset at 21:46 CEST.

In May, the average sunshine duration is 9.9h.

In Bollmora, Sweden, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Bollmora, Sweden

  • Average high temperature in May: 11.9°C

The warmest month (with the highest average high temperature) is July (19.5°C).
The month with the lowest average high temperature is February (0.3°C).

  • Average low temperature in May: 6.8°C

The month with the highest average low temperature is August (14.4°C).
The coldest months (with the lowest average low temperature) are January and February (-2.3°C).

Average pressure in May
Bollmora, Sweden

  • Average pressure in May: 1014.9mbar

The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.9mbar).

Average wind speed in May
Bollmora, Sweden

  • Average wind speed in May: 16km/h

The windiest month (with the highest average wind speed) is December (23.5km/h).
The calmest month (with the lowest average wind speed) is July (15.3km/h).

Average humidity in May
Bollmora, Sweden

  • Average humidity in May: 75%

The month with the highest relative humidity is November (86%).
The month with the lowest relative humidity is May (75%).

Average rainfall in May
Bollmora, Sweden

  • Average rainfall in May: 8mm

The wettest months (with the highest rainfall) are July and August (14mm).
The driest month (with the least rainfall) is April (4mm).

Average rainfall days in May
Bollmora, Sweden

  • Average rainfall days in May: 6.8 days

The month with the highest number of rainy days is August (10.9 days).
The month with the least rainy days is February (4.3 days).

Average snowfall in May
Bollmora, Sweden

  • Average snowfall in May: 1mm

The month with the highest snowfall is February (23mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in May
Bollmora, Sweden

  • Average snowfall days in May: 0.4 days

The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Bollmora, Sweden

  • Average daylight in May: 17h and 0min

The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 18min).

  • Average sunshine in May: 9h and 54min

The month with the most sunshine is June (Average sunshine: 12h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).

Average sunshine days in May
Bollmora, Sweden

  • Average sunshine days in May: 21.8 days

The months with the most sunshine days are April and May (21.8 days).
The month with the least sunshine days is December (14.4 days).

Average UV index in May
Bollmora, 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 February (UV index 1).

Average cloud cover in May
Bollmora, Sweden

  • Average cloud cover in May: 39

The months with the most cloud cover are January and February (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in May
Bollmora, Sweden

  • Average visibility in May: 10km

The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).