Climate and monthly weather forecastStromness, United Kingdom
Climate and monthly weather forecast
Weather in January
January, like December, is another chilly winter month in Stromness, United Kingdom, with temperature in the range of an average high of 7.5°C (45.5°F) and an average low of 5.8°C (42.4°F). The transition from December to January sees an average high-temperature of a still chilly 7.5°C (45.5°F), indicating a minor variance from the prior month. Weather in January »Weather in February
The last month of the winter, February, is also a frosty month in Stromness, United Kingdom, with an average temperature varying between 5.5°C (41.9°F) and 7°C (44.6°F). February is the coldest month, with an average high-temperature of 7°C (44.6°F) and an average low-temperature of 5.5°C (41.9°F). Weather in February »Weather in March
The first month of the spring, March, is still a chilly month in Stromness, United Kingdom, with temperature in the range of an average high of 7.5°C (45.5°F) and an average low of 5.8°C (42.4°F). The commencement of March notes an average high-temperature of a still frosty 7.5°C (45.5°F), exhibiting little difference from the previous month. Weather in March »Weather in April
April, like March, is a frosty spring month in Stromness, United Kingdom, with an average temperature ranging between max 8.3°C (46.9°F) and min 6.6°C (43.9°F). With the onset of April, a modest change to a still frosty 8.3°C (46.9°F) from March's 7.5°C (45.5°F) is noted in high-temperature. Weather in April »Weather in May
The last month of the spring, May, is also a frosty month in Stromness, United Kingdom, with an average temperature fluctuating between 8°C (46.4°F) and 9.8°C (49.6°F). The commencement of May introduces an average high-temperature of a still frosty 9.8°C (49.6°F), closely mirroring the preceding month. Weather in May »Weather in June
June, the first month of the summer in Stromness, is a cool month, with an average temperature fluctuating between 9.9°C (49.8°F) and 11.8°C (53.2°F). At the onset of June, Stromness records an average high-temperature of a fresh 11.8°C (53.2°F), showing little deviation from the preceding month. Weather in June »Weather in July
July is a mild summer month in Stromness, United Kingdom, with an average temperature varying between 11.8°C (53.2°F) and 13.6°C (56.5°F). The average high-temperature in July, at a mild 13.6°C (56.5°F), reveals a modest deviation from June's 11.8°C (53.2°F). Weather in July »Weather in August
The last month of the summer, August, is also a moderate month in Stromness, United Kingdom, with an average temperature fluctuating between 12.4°C (54.3°F) and 14.2°C (57.6°F). Stromness reaches its highest average temperatures in August, measuring 14.2°C (57.6°F) at the peak and 12.4°C (54.3°F) at the lowest. Weather in August »Weather in September
The first month of the autumn, September, is also a moderate month in Stromness, United Kingdom, with an average temperature fluctuating between 11.7°C (53.1°F) and 13.2°C (55.8°F). The shift into September finds Stromness at an average high-temperature of a still moderate 13.2°C (55.8°F), closely comparable to August's conditions. Weather in September »Weather in October
October, like September, in Stromness, United Kingdom, is another fresh autumn month, with an average temperature ranging between min 10.2°C (50.4°F) and max 11.5°C (52.7°F). Stromness in October witnesses an average high-temperature of a fresh 11.5°C (52.7°F), indicating a slight variation from September's 13.2°C (55.8°F). Weather in October »Weather in November
November, the last month of the autumn in Stromness, is also a frosty month, with an average temperature varying between 9.6°C (49.3°F) and 8.1°C (46.6°F). The ushering in of November brings an average high-temperature of a frosty 9.6°C (49.3°F), closely mirroring the 11.5°C (52.7°F) of October. Weather in November »Weather in December
December, the first month of the winter in Stromness, is still a chilly month, with temperature in the range of an average low of 6.5°C (43.7°F) and an average high of 8.5°C (47.3°F). The initiation of December sees an average high-temperature of a still frosty 8.5°C (47.3°F), showing minor variations from the previous month. Weather in December »Updated: Feb 8, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The months with the lowest humidity in Stromness, United Kingdom, are January and December, with an average relative humidity of 75%.
The wettest months in Stromness, United Kingdom, are January and December, with an average 60mm (2.36") of rainfall.
Throughout the year, in Stromness, there are 233.4 rainfall days, and 572mm (22.52") of precipitation is accumulated.
Months with snowfall in Stromness, United Kingdom, are January through April, November and December.
Throughout the year, there are 4.8 snowfall days, and 23mm (0.91") of snow is accumulated.
The months with the lowest UV index in Stromness are January through March and December, with an average maximum UV index of 2.
Stromness's coldest month, February, generally records average temperatures ranging from a high of 7°C (44.6°F) to a low of 5.5°C (41.9°F).
February is the month with the most snowfall. Snow falls for 1.2 days and accumulates 5mm (0.2") of snow.
March is the month with the coldest seawater in Stromness, United Kingdom, with an average sea temperature of 7.3°C (45.1°F).
April is the month with the least rainfall. Rain falls for 17.2 days and accumulates 30mm (1.18") of precipitation.
In Stromness, snow does not fall in May through October.
The month with the longest days in Stromness, United Kingdom, is June, with an average of 18h and 24min of daylight.
With an average of 8.1h of sunshine, June has the most sunshine of the year in Stromness.
The months with the highest UV index are June, July and September, with an average maximum UV index of 4.
With an average relative humidity of 86%, July is the most humid month in Stromness.
August temperatures in Stromness, United Kingdom, tend to peak at an average high of 14.2°C (57.6°F) and dip to a low of 12.4°C (54.3°F).
The month with the warmest seawater in Stromness, United Kingdom, is August, with an average sea temperature of 13.3°C (55.9°F).
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends in Stromness, and the time zone changes from BST to GMT. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 1:00 am, and the time zone reverts from GMT to BST.
The month with the shortest days in Stromness, United Kingdom, is December, with an average of 6h and 18min of daylight.
With an average of 3.1h of sunshine, December has the least sunshine of the year in Stromness, United Kingdom.
Average temperature
Stromness, United Kingdom
The warmest month (with the highest average high temperature) is August (14.2°C).
The month with the lowest average high temperature is February (7°C).
The month with the highest average low temperature is August (12.4°C).
The coldest month (with the lowest average low temperature) is February (5.5°C).
Average pressure
Stromness, United Kingdom
- Average pressure in January:
1005.2mbar - Average pressure in February:
1005.9mbar - Average pressure in March:
1009.7mbar - Average pressure in April:
1013.5mbar - Average pressure in May:
1014.4mbar - Average pressure in June:
1014.4mbar
- Average pressure in July:
1011.5mbar - Average pressure in August:
1009.7mbar - Average pressure in September:
1010.7mbar - Average pressure in October:
1009.4mbar - Average pressure in November:
1004.9mbar - Average pressure in December:
1003.7mbar
The months with the highest atmospheric pressure are May and June (1014.4mbar).
The month with the lowest atmospheric pressure is December (1003.7mbar).
Average wind speed
Stromness, United Kingdom
- Average wind speed in January:
38.7km/h - Average wind speed in February:
35.3km/h - Average wind speed in March:
32.5km/h - Average wind speed in April:
27.9km/h - Average wind speed in May:
24.6km/h - Average wind speed in June:
22.5km/h
- Average wind speed in July:
22.5km/h - Average wind speed in August:
24km/h - Average wind speed in September:
29.6km/h - Average wind speed in October:
33.6km/h - Average wind speed in November:
35.7km/h - Average wind speed in December:
37.5km/h
The windiest month (with the highest average wind speed) is January (38.7km/h).
The calmest months (with the lowest average wind speed) are June and July (22.5km/h).
Average humidity
Stromness, United Kingdom
The month with the highest relative humidity is July (86%).
The months with the lowest relative humidity are January and December (75%).
Average rainfall
Stromness, United Kingdom
The wettest months (with the highest rainfall) are January and December (60mm).
The driest month (with the least rainfall) is April (30mm).
Average rainfall days
Stromness, United Kingdom
- Average rainfall days in January:
21.7 days - Average rainfall days in February:
18 days - Average rainfall days in March:
20.3 days - Average rainfall days in April:
17.2 days - Average rainfall days in May:
17.3 days - Average rainfall days in June:
15.5 days
- Average rainfall days in July:
18.5 days - Average rainfall days in August:
18.8 days - Average rainfall days in September:
18.9 days - Average rainfall days in October:
21.3 days - Average rainfall days in November:
22.4 days - Average rainfall days in December:
23.5 days
The month with the highest number of rainy days is December (23.5 days).
The month with the least rainy days is June (15.5 days).
Average snowfall
Stromness, United Kingdom
The month with the highest snowfall is February (5mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days
Stromness, United Kingdom
- Average snowfall days in January:
0.7 days - Average snowfall days in February:
1.2 days - Average snowfall days in March:
1.2 days - Average snowfall days in April:
0.5 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.4 days - Average snowfall days in December:
0.8 days
The months with the highest number of snowfall days are February and March (1.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature
Stromness, United Kingdom
The best month for swimming (with the highest average sea temperature) is August (13.3°C).
The coldest month (with the lowest average sea temperature) is March (7.3°C).
Average daylight / Average sunshine
Stromness, United Kingdom
- Average daylight in January:
7h and 6min - Average daylight in February:
9h and 18min - Average daylight in March:
11h and 54min - Average daylight in April:
14h and 30min - Average daylight in May:
17h and 0min - Average daylight in June:
18h and 24min
- Average daylight in July:
17h and 36min - Average daylight in August:
15h and 24min - Average daylight in September:
12h and 48min - Average daylight in October:
10h and 12min - Average daylight in November:
7h and 48min - Average daylight in December:
6h and 18min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in January:
3h and 18min - Average sunshine in February:
3h and 42min - Average sunshine in March:
4h and 24min - Average sunshine in April:
6h and 48min - Average sunshine in May:
7h and 18min - Average sunshine in June:
8h and 6min
- Average sunshine in July:
7h and 30min - Average sunshine in August:
7h and 6min - Average sunshine in September:
6h and 6min - Average sunshine in October:
3h and 54min - Average sunshine in November:
3h and 48min - Average sunshine in December:
3h and 6min
The month with the most sunshine is June (Average sunshine: 8h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days
Stromness, United Kingdom
- Average sunshine days in January:
5.7 days - Average sunshine days in February:
6.4 days - Average sunshine days in March:
6.3 days - Average sunshine days in April:
9.5 days - Average sunshine days in May:
11.4 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
9.5 days - Average sunshine days in August:
10.2 days - Average sunshine days in September:
8.5 days - Average sunshine days in October:
7.2 days - Average sunshine days in November:
5.1 days - Average sunshine days in December:
4.8 days
The month with the most sunshine days is May (11.4 days).
The month with the least sunshine days is December (4.8 days).
Average UV index
Stromness, United Kingdom
The months with the highest UV index are June, July and September (UV index 4).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover
Stromness, United Kingdom
The months with the most cloud cover are January and March (Cloud cover 67).
The months with the least cloud cover are April and May (Cloud cover 56).
Average visibility
Stromness, United Kingdom
The months with the highest visibility are February, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January and March (9km).
