Climate and monthly weather forecastGilwern, United Kingdom
Climate and monthly weather forecast
Weather in January
January, like December, is a frosty winter month in Gilwern, United Kingdom, with temperature in the range of an average high of 6.4°C (43.5°F) and an average low of 2.1°C (35.8°F). The lowest temperatures are recorded in January, with averages reaching a high of 6.4°C (43.5°F) and a low of 2.1°C (35.8°F). Weather in January »Weather in February
The last month of the winter, February, is another chilly month in Gilwern, United Kingdom, with an average temperature ranging between min 2.1°C (35.8°F) and max 7°C (44.6°F). The shift into February uncovers an average high-temperature of a still frosty 7°C (44.6°F), subtly different from the previous month. Weather in February »Weather in March
March, the first month of the spring in Gilwern, is still a chilly month, with an average temperature varying between 9.3°C (48.7°F) and 2.5°C (36.5°F). March observes an average high-temperature of a still chilly 9.3°C (48.7°F), marking an insignificant difference from February's 7°C (44.6°F). Weather in March »Weather in April
April is a fresh spring month in Gilwern, United Kingdom, with an average temperature varying between 12.1°C (53.8°F) and 4°C (39.2°F). As April unfolds, the average high-temperature reaches a fresh 12.1°C (53.8°F), hinting at a slight fluctuation from the previous month. Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Gilwern, United Kingdom, with temperature in the range of an average high of 14.5°C (58.1°F) and an average low of 6.6°C (43.9°F). The onset of May brings with it an average high-temperature of a refreshing 14.5°C (58.1°F), showing a negligible variation from the month before. Weather in May »Weather in June
June, the first month of the summer in Gilwern, is a refreshing month, with an average temperature ranging between min 9.5°C (49.1°F) and max 17.2°C (63°F). June's arrival shows an average high-temperature of an enjoyable 17.2°C (63°F), hardly different from the previous month. Weather in June »Weather in July
July, like June, in Gilwern, United Kingdom, is another enjoyable summer month, with temperature in the range of an average high of 19.1°C (66.4°F) and an average low of 11.4°C (52.5°F). In Gilwern, the highest average temperatures are observed in July, with a high of 19.1°C (66.4°F) and a low of 11.4°C (52.5°F). Weather in July »Weather in August
August, the last month of the summer in Gilwern, is another refreshing month, with an average temperature ranging between max 18.5°C (65.3°F) and min 11.7°C (53.1°F). With the onset of August, the average high-temperature registers at a still comfortable 18.5°C (65.3°F), subtly different from July's 19.1°C (66.4°F). Weather in August »Weather in September
September, the first month of the autumn in Gilwern, is also an enjoyable month, with an average temperature varying between 9.5°C (49.1°F) and 16.7°C (62.1°F). The initiation of September records an average high-temperature of a still comfortable 16.7°C (62.1°F), displaying a near consistency with the previous month. Weather in September »Weather in October
October, like September, is another refreshing autumn month in Gilwern, United Kingdom, with an average temperature varying between 13.4°C (56.1°F) and 7.7°C (45.9°F). October reveals a small adjustment in temperature, transitioning from an average high of a comfortable 16.7°C (62.1°F) in September to a still refreshing 13.4°C (56.1°F). Weather in October »Weather in November
November, the last month of the autumn in Gilwern, is another chilly month, with an average temperature ranging between min 5°C (41°F) and max 9.4°C (48.9°F). The arrival of November is marked by a minor reduction in average high-temperature, sliding from a moderate 13.4°C (56.1°F) in October to a chilly 9.4°C (48.9°F). Weather in November »Weather in December
December, the first month of the winter in Gilwern, is still a chilly month, with an average temperature fluctuating between 7.3°C (45.1°F) and 3.4°C (38.1°F). The average high-temperature during December registers at a still chilly 7.3°C (45.1°F), maintaining a close resemblance to the previous month. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Gilwern, United Kingdom
The warmest month (with the highest average high temperature) is July (19.1°C).
The month with the lowest average high temperature is January (6.4°C).
The month with the highest average low temperature is August (11.7°C).
The coldest months (with the lowest average low temperature) are January and February (2.1°C).
Average pressure
Gilwern, United Kingdom
- Average pressure in January:
1013.8mbar - Average pressure in February:
1013.2mbar - Average pressure in March:
1015.2mbar - Average pressure in April:
1015.4mbar - Average pressure in May:
1016.6mbar - Average pressure in June:
1015.8mbar
- Average pressure in July:
1015mbar - Average pressure in August:
1014.4mbar - Average pressure in September:
1016.6mbar - Average pressure in October:
1014.5mbar - Average pressure in November:
1009.8mbar - Average pressure in December:
1013.7mbar
The months with the highest atmospheric pressure are May and September (1016.6mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).
Average wind speed
Gilwern, United Kingdom
- Average wind speed in January:
18.5km/h - Average wind speed in February:
19.6km/h - Average wind speed in March:
17.4km/h - Average wind speed in April:
14.2km/h - Average wind speed in May:
14km/h - Average wind speed in June:
13.1km/h
- Average wind speed in July:
13.1km/h - Average wind speed in August:
14km/h - Average wind speed in September:
14km/h - Average wind speed in October:
15.8km/h - Average wind speed in November:
17.4km/h - Average wind speed in December:
18.9km/h
The windiest month (with the highest average wind speed) is February (19.6km/h).
The calmest months (with the lowest average wind speed) are June and July (13.1km/h).
Average humidity
Gilwern, United Kingdom
The months with the highest relative humidity are November and December (90%).
The months with the lowest relative humidity are March, April, May and July (84%).
Average rainfall
Gilwern, United Kingdom
The wettest month (with the highest rainfall) is November (45mm).
The driest month (with the least rainfall) is September (16mm).
Average rainfall days
Gilwern, United Kingdom
- Average rainfall days in January:
9.5 days - Average rainfall days in February:
9.3 days - Average rainfall days in March:
10.7 days - Average rainfall days in April:
12.4 days - Average rainfall days in May:
12.8 days - Average rainfall days in June:
13.8 days
- Average rainfall days in July:
15.3 days - Average rainfall days in August:
14.3 days - Average rainfall days in September:
9.5 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
13 days - Average rainfall days in December:
9.3 days
The month with the highest number of rainy days is July (15.3 days).
The months with the least rainy days are February and December (9.3 days).
Average snowfall
Gilwern, United Kingdom
The month with the highest snowfall is February (18mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days
Gilwern, United Kingdom
- Average snowfall days in January:
2.4 days - Average snowfall days in February:
2.9 days - Average snowfall days in March:
1 days - Average snowfall days in April:
0.3 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:
0.5 days - Average snowfall days in December:
1.7 days
The month with the highest number of snowfall days is February (2.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Gilwern, United Kingdom
- Average daylight in January:
8h and 24min - Average daylight in February:
10h and 0min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 54min - Average daylight in May:
15h and 42min - Average daylight in June:
16h and 36min
- Average daylight in July:
16h and 6min - Average daylight in August:
14h and 36min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 36min - Average daylight in November:
8h and 54min - Average daylight in December:
7h and 54min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in January:
3h and 54min - Average sunshine in February:
3h and 48min - Average sunshine in March:
5h and 42min - Average sunshine in April:
7h and 18min - Average sunshine in May:
7h and 30min - Average sunshine in June:
7h and 12min
- Average sunshine in July:
7h and 30min - Average sunshine in August:
7h and 6min - Average sunshine in September:
7h and 0min - Average sunshine in October:
4h and 18min - Average sunshine in November:
3h and 36min - Average sunshine in December:
4h and 6min
The months with the most sunshine are May and July (Average sunshine: 7h and 30min).
The month with the least sunshine is November (Average sunshine: 3h and 36min).
Average sunshine days
Gilwern, United Kingdom
- Average sunshine days in January:
17.2 days - Average sunshine days in February:
14.3 days - Average sunshine days in March:
17.2 days - Average sunshine days in April:
13.9 days - Average sunshine days in May:
13.6 days - Average sunshine days in June:
12.6 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
13.3 days - Average sunshine days in September:
18 days - Average sunshine days in October:
17.6 days - Average sunshine days in November:
13.7 days - Average sunshine days in December:
18.4 days
The month with the most sunshine days is December (18.4 days).
The month with the least sunshine days is July (12.3 days).
Average UV index
Gilwern, United Kingdom
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Gilwern, United Kingdom
The month with the most cloud cover is November (Cloud cover 64).
The months with the least cloud cover are April and May (Cloud cover 52).
Average visibility
Gilwern, United Kingdom
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (9km).
The months with the lowest visibility are August and September (8km).





