Climate and monthly weather forecastSilian, United Kingdom
Climate and monthly weather forecast
Weather in January
January, the same as December, in Silian, United Kingdom, is a frosty winter month, with an average temperature ranging between min 4°C (39.2°F) and max 7.3°C (45.1°F). The coldest months are January and February, with an average high-temperature of 7.3°C (45.1°F). Weather in January »Weather in February
The last month of the winter, February, is another chilly month in Silian, United Kingdom, with an average temperature ranging between max 7.3°C (45.1°F) and min 3.8°C (38.8°F). During January and February, Silian registers its lowest temperatures, averaging a high of 7.3°C (45.1°F). Weather in February »Weather in March
The first month of the spring, March, is still a chilly month in Silian, United Kingdom, with temperature in the range of an average high of 9°C (48.2°F) and an average low of 4.2°C (39.6°F). Silian starts March with an average high-temperature of a still chilly 9°C (48.2°F), a minor shift from February's 7.3°C (45.1°F). Weather in March »Weather in April
April is a cool spring month in Silian, United Kingdom, with an average temperature varying between 5.8°C (42.4°F) and 11.3°C (52.3°F). The beginning of April records an average high-temperature of a cool 11.3°C (52.3°F), marking a negligible difference from March's 9°C (48.2°F). Weather in April »Weather in May
May, the last month of the spring in Silian, is a refreshing month, with temperature in the range of an average high of 13.6°C (56.5°F) and an average low of 7.9°C (46.2°F). As April transitions into May, the average high-temperature rests at a refreshing 13.6°C (56.5°F), maintaining a close resemblance to the previous month. Weather in May »Weather in June
June, the first month of the summer in Silian, is a refreshing month, with an average temperature varying between 10.5°C (50.9°F) and 16.2°C (61.2°F). The beginning of June records an average high-temperature of a still refreshing 16.2°C (61.2°F), almost echoing the conditions of the previous month. Weather in June »Weather in July
July, the same as June, is another enjoyable summer month in Silian, United Kingdom, with an average temperature ranging between max 17.3°C (63.1°F) and min 12.3°C (54.1°F). With its high average temperature of 17.3°C (63.1°F) and a low of 12.3°C (54.1°F), July is regarded as the warmest month. Weather in July »Weather in August
The last month of the summer, August, is also an enjoyable month in Silian, United Kingdom, with an average temperature varying between 17.1°C (62.8°F) and 12.6°C (54.7°F). The commencement of August introduces an average high-temperature of a still comfortable 17.1°C (62.8°F), closely mirroring the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Silian, is still a mild month, with an average temperature ranging between min 11.3°C (52.3°F) and max 15.8°C (60.4°F). Silian registers an average high-temperature of a still refreshing 15.8°C (60.4°F) with the arrival of September, showing minor deviation from the preceding month. Weather in September »Weather in October
October, the same as September, in Silian, United Kingdom, is a moderate autumn month, with an average temperature varying between 13.5°C (56.3°F) and 9.8°C (49.6°F). With October's advent, Silian sees an average high-temperature of a still refreshing 13.5°C (56.3°F), subtly shifted from September's 15.8°C (60.4°F). Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Silian, United Kingdom, with temperature in the range of an average high of 10°C (50°F) and an average low of 7°C (44.6°F). The start of November involves a subtle temperature drop, shifting from a mild 13.5°C (56.3°F) in October to a fresh 10°C (50°F). Weather in November »Weather in December
December, the first month of the winter in Silian, is still a chilly month, with an average temperature varying between 8.4°C (47.1°F) and 5.3°C (41.5°F). December's average high-temperature is a frosty 8.4°C (47.1°F), maintaining a close comparison with November's 10°C (50°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Silian, United Kingdom
The warmest month (with the highest average high temperature) is July (17.3°C).
The months with the lowest average high temperature are January and February (7.3°C).
The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is February (3.8°C).
Average pressure
Silian, United Kingdom
- Average pressure in January:
1013.2mbar - Average pressure in February:
1012.7mbar - Average pressure in March:
1014.9mbar - Average pressure in April:
1015.2mbar - Average pressure in May:
1016.5mbar - Average pressure in June:
1015.7mbar
- Average pressure in July:
1014.7mbar - Average pressure in August:
1014mbar - Average pressure in September:
1016.3mbar - Average pressure in October:
1014mbar - Average pressure in November:
1009.4mbar - Average pressure in December:
1013mbar
The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1009.4mbar).
Average wind speed
Silian, United Kingdom
- Average wind speed in January:
22.4km/h - Average wind speed in February:
22.8km/h - Average wind speed in March:
19.5km/h - Average wind speed in April:
16.5km/h - Average wind speed in May:
16km/h - Average wind speed in June:
14.8km/h
- Average wind speed in July:
14.9km/h - Average wind speed in August:
16.6km/h - Average wind speed in September:
17.5km/h - Average wind speed in October:
20.1km/h - Average wind speed in November:
22.3km/h - Average wind speed in December:
23.8km/h
The windiest month (with the highest average wind speed) is December (23.8km/h).
The calmest month (with the lowest average wind speed) is June (14.8km/h).
Average humidity
Silian, United Kingdom
The months with the highest relative humidity are January, August, September and December (86%).
The month with the lowest relative humidity is April (82%).
Average rainfall
Silian, United Kingdom
The wettest months (with the highest rainfall) are November and December (92mm).
The driest month (with the least rainfall) is May (37mm).
Average rainfall days
Silian, United Kingdom
- Average rainfall days in January:
20.7 days - Average rainfall days in February:
16.6 days - Average rainfall days in March:
16.8 days - Average rainfall days in April:
15.8 days - Average rainfall days in May:
16.3 days - Average rainfall days in June:
18.3 days
- Average rainfall days in July:
20.8 days - Average rainfall days in August:
21.3 days - Average rainfall days in September:
17.3 days - Average rainfall days in October:
19.8 days - Average rainfall days in November:
21.7 days - Average rainfall days in December:
21.7 days
The months with the highest number of rainy days are November and December (21.7 days).
The month with the least rainy days is April (15.8 days).
Average snowfall
Silian, United Kingdom
The months with the highest snowfall are January and December (9mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days
Silian, United Kingdom
- Average snowfall days in January:
1.7 days - Average snowfall days in February:
1.5 days - Average snowfall days in March:
0.9 days - Average snowfall days in April:
0.1 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:
1.3 days
The month with the highest number of snowfall days is January (1.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Silian, 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 42min
- Average daylight in July:
16h and 12min - Average daylight in August:
14h and 36min - Average daylight in September:
12h and 42min - Average daylight in October:
10h and 36min - Average daylight in November:
8h and 48min - Average daylight in December:
7h and 48min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in January:
3h and 42min - Average sunshine in February:
3h and 54min - Average sunshine in March:
5h and 54min - Average sunshine in April:
7h and 48min - Average sunshine in May:
8h and 0min - Average sunshine in June:
7h and 48min
- Average sunshine in July:
7h and 42min - Average sunshine in August:
7h and 12min - Average sunshine in September:
6h and 48min - Average sunshine in October:
4h and 24min - Average sunshine in November:
4h and 0min - Average sunshine in December:
3h and 48min
The month with the most sunshine is May (Average sunshine: 8h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Silian, United Kingdom
- Average sunshine days in January:
6.5 days - Average sunshine days in February:
8.7 days - Average sunshine days in March:
11 days - Average sunshine days in April:
11.6 days - Average sunshine days in May:
12.9 days - Average sunshine days in June:
9.8 days
- Average sunshine days in July:
7.8 days - Average sunshine days in August:
6.3 days - Average sunshine days in September:
9.4 days - Average sunshine days in October:
7.5 days - Average sunshine days in November:
6.3 days - Average sunshine days in December:
5.7 days
The month with the most sunshine days is May (12.9 days).
The month with the least sunshine days is December (5.7 days).
Average UV index
Silian, 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, November and December (UV index 2).
Average cloud cover
Silian, United Kingdom
The month with the most cloud cover is December (Cloud cover 64).
The months with the least cloud cover are April and May (Cloud cover 48).
Average visibility
Silian, United Kingdom
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).





