Climate and monthly weather forecastGrimstone, United Kingdom
Climate and monthly weather forecast
Weather in January
January, the same as December, in Grimstone, United Kingdom, is another chilly winter month, with temperature in the range of an average high of 8.6°C (47.5°F) and an average low of 6.3°C (43.3°F). The transition from December to January sees an average high-temperature of a still chilly 8.6°C (47.5°F), indicating a minor variance from the prior month. Weather in January »Weather in February
The last month of the winter, February, is another chilly month in Grimstone, United Kingdom, with an average temperature fluctuating between 5.8°C (42.4°F) and 8.3°C (46.9°F). Grimstone's coldest weather arrives in February, when temperatures average a high of 8.3°C (46.9°F) and a low of 5.8°C (42.4°F). Weather in February »Weather in March
The first month of the spring, March, is also a frosty month in Grimstone, United Kingdom, with temperature in the range of an average low of 6.4°C (43.5°F) and an average high of 9.3°C (48.7°F). March's onset records an average high-temperature of a still chilly 9.3°C (48.7°F), a near match to February's 8.3°C (46.9°F). Weather in March »Weather in April
April in Grimstone, United Kingdom, is a cool spring month, with an average temperature ranging between max 11.3°C (52.3°F) and min 7.8°C (46°F). Grimstone marks the arrival of April with an average high-temperature of a cool 11.3°C (52.3°F), hardly different from March's 9.3°C (48.7°F). Weather in April »Weather in May
The last month of the spring, May, is a mild month in Grimstone, United Kingdom, with temperature in the range of an average low of 10.1°C (50.2°F) and an average high of 13.3°C (55.9°F). May records an average high-temperature of a refreshing 13.3°C (55.9°F), indicating a minor variation from the preceding month. Weather in May »Weather in June
June, the first month of the summer in Grimstone, is a comfortable month, with temperature in the range of an average low of 12.6°C (54.7°F) and an average high of 16°C (60.8°F). The arrival of June marks a slight shift to an average high-temperature of a still refreshing 16°C (60.8°F) from May's 13.3°C (55.9°F). Weather in June »Weather in July
July, the same as June, is another refreshing summer month in Grimstone, United Kingdom, with an average temperature varying between 14.8°C (58.6°F) and 17.8°C (64°F). On the advent of July, Grimstone's average high-temperature exhibits a minor adjustment to a still refreshing 17.8°C (64°F) from June's 16°C (60.8°F). Weather in July »Weather in August
The last month of the summer, August, is another comfortable month in Grimstone, United Kingdom, with an average temperature ranging between min 15.3°C (59.5°F) and max 18.2°C (64.8°F). The temperatures reach their highest averages in August, with highs of 18.2°C (64.8°F) and lows of 15.3°C (59.5°F). Weather in August »Weather in September
September, the first month of the autumn in Grimstone, is also an enjoyable month, with an average temperature varying between 16.8°C (62.2°F) and 14°C (57.2°F). The transition from August to September sees average high-temperatures adjusting to a still comfortable 16.8°C (62.2°F), from a not significantly different 18.2°C (64.8°F). Weather in September »Weather in October
October, the same as September, in Grimstone, United Kingdom, is a moderate autumn month, with an average temperature varying between 12.3°C (54.1°F) and 15°C (59°F). October brings an average high-temperature of a still refreshing 15°C (59°F), nearly identical to the preceding month. Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Grimstone, United Kingdom, with an average temperature ranging between min 9.5°C (49.1°F) and max 11.9°C (53.4°F). In Grimstone, the average high-temperature in November slightly decreases from a mild 15°C (59°F) in October to a fresh 11.9°C (53.4°F). Weather in November »Weather in December
December, the first month of the winter in Grimstone, is still a chilly month, with temperature in the range of an average low of 7.6°C (45.7°F) and an average high of 9.9°C (49.8°F). Grimstone greets December with an average high-temperature of a frosty 9.9°C (49.8°F), marking a slight deviation from the preceding month. Weather in December »Updated: Feb 7, 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
In Grimstone, during the entire year, the rain falls for 167.3 days and collects up to 471mm (18.54") of precipitation.
January, February and November are months with snowfall.
Throughout the year, there are 2.7 snowfall days, and 4mm (0.16") of snow is accumulated.
January, February and November, with an average of 4.1h of sunshine, are months with the least sunshine in Grimstone.
The months with the lowest UV index are January and February, with an average maximum UV index of 2.
Grimstone, United Kingdom, reaches its average lowest temperatures in February, measuring 8.3°C (46.9°F) at the peak and 5.8°C (42.4°F) at the lowest.
February through April, September through December, with an average relative humidity of 81%, are the least humid months in Grimstone.
The month with the most snowfall in Grimstone, United Kingdom, is February, when snow falls for 1.2 days and typically aggregates up to 2mm (0.08") of snow.
In Grimstone, United Kingdom, snow does not fall in March through October and December.
May is the month with the least rainfall in Grimstone, United Kingdom. Rain falls for 12.7 days and accumulates 27mm (1.06") of precipitation.
The months with the highest humidity are June and July, with an average relative humidity of 83%.
The month with the longest days is June, with an average of 16h and 24min of daylight.
With an average of 9.4h of sunshine, July has the most sunshine of the year in Grimstone, United Kingdom.
The months with the highest UV index are July and August, with an average maximum UV index of 5.
In Grimstone, the average highest temperatures are observed in August, with a high of 18.2°C (64.8°F) and a low of 15.3°C (59.5°F).
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends, 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.
November is the month with the most rainfall. Rain falls for 17 days and accumulates 58mm (2.28") of precipitation.
December has the shortest days of the year in Grimstone, United Kingdom, with an average of 8h and 6min of daylight.
Average temperature
Grimstone, United Kingdom
The warmest month (with the highest average high temperature) is August (18.2°C).
The month with the lowest average high temperature is February (8.3°C).
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is February (5.8°C).
Average pressure
Grimstone, United Kingdom
- Average pressure in January:
1015mbar - Average pressure in February:
1014.3mbar - Average pressure in March:
1015.7mbar - Average pressure in April:
1015.5mbar - Average pressure in May:
1017mbar - Average pressure in June:
1016.4mbar
- Average pressure in July:
1015.9mbar - Average pressure in August:
1015.5mbar - Average pressure in September:
1017.3mbar - Average pressure in October:
1015.2mbar - Average pressure in November:
1010.6mbar - Average pressure in December:
1015.1mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1010.6mbar).
Average wind speed
Grimstone, United Kingdom
- Average wind speed in January:
28.5km/h - Average wind speed in February:
28.7km/h - Average wind speed in March:
24.9km/h - Average wind speed in April:
20.7km/h - Average wind speed in May:
20km/h - Average wind speed in June:
19.7km/h
- Average wind speed in July:
19.5km/h - Average wind speed in August:
21.1km/h - Average wind speed in September:
22.8km/h - Average wind speed in October:
25.9km/h - Average wind speed in November:
29.5km/h - Average wind speed in December:
30.1km/h
The windiest month (with the highest average wind speed) is December (30.1km/h).
The calmest month (with the lowest average wind speed) is July (19.5km/h).
Average humidity
Grimstone, United Kingdom
The months with the highest relative humidity are June and July (83%).
The months with the lowest relative humidity are February, March, April, September, October, November and December (81%).
Average rainfall
Grimstone, United Kingdom
The wettest month (with the highest rainfall) is November (58mm).
The driest month (with the least rainfall) is May (27mm).
Average rainfall days
Grimstone, United Kingdom
- Average rainfall days in January:
16.3 days - Average rainfall days in February:
13.7 days - Average rainfall days in March:
13.5 days - Average rainfall days in April:
12.6 days - Average rainfall days in May:
12.7 days - Average rainfall days in June:
13.3 days
- Average rainfall days in July:
12.8 days - Average rainfall days in August:
13.9 days - Average rainfall days in September:
11.1 days - Average rainfall days in October:
15.4 days - Average rainfall days in November:
17 days - Average rainfall days in December:
15 days
The month with the highest number of rainy days is November (17 days).
The month with the least rainy days is September (11.1 days).
Average snowfall
Grimstone, United Kingdom
The month with the highest snowfall is February (2mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and December (0mm).
Average snowfall days
Grimstone, United Kingdom
- Average snowfall days in January:
0.4 days - Average snowfall days in February:
1.2 days - Average snowfall days in March:
0.4 days - Average snowfall days in April:
0.2 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:
0.2 days - Average snowfall days in December:
0.3 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Grimstone, United Kingdom
- Average daylight in January:
8h and 36min - Average daylight in February:
10h and 6min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 48min - Average daylight in May:
15h and 30min - Average daylight in June:
16h and 24min
- Average daylight in July:
16h and 0min - Average daylight in August:
14h and 30min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 42min - Average daylight in November:
9h and 0min - Average daylight in December:
8h and 6min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in January:
4h and 6min - Average sunshine in February:
4h and 6min - Average sunshine in March:
6h and 12min - Average sunshine in April:
8h and 36min - Average sunshine in May:
8h and 42min - Average sunshine in June:
8h and 48min
- Average sunshine in July:
9h and 24min - Average sunshine in August:
8h and 48min - Average sunshine in September:
8h and 6min - Average sunshine in October:
4h and 48min - Average sunshine in November:
4h and 6min - Average sunshine in December:
4h and 12min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The months with the least sunshine are January, February and November (Average sunshine: 4h and 6min).
Average sunshine days
Grimstone, United Kingdom
- Average sunshine days in January:
11.3 days - Average sunshine days in February:
11.2 days - Average sunshine days in March:
14.1 days - Average sunshine days in April:
15.5 days - Average sunshine days in May:
15.5 days - Average sunshine days in June:
13.8 days
- Average sunshine days in July:
15.2 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
15.6 days - Average sunshine days in October:
13.5 days - Average sunshine days in November:
10.1 days - Average sunshine days in December:
11.8 days
The month with the most sunshine days is September (15.6 days).
The month with the least sunshine days is November (10.1 days).
Average UV index
Grimstone, United Kingdom
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January and February (UV index 2).
Average cloud cover
Grimstone, United Kingdom
The month with the most cloud cover is December (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility
Grimstone, United Kingdom
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
