Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January brings an average high-temperature of a frosty 9.3°C (48.7°F), nearly identical to the preceding month. Truro sees a gentle drop from the daily peak temperature in January, with an average low settling at 6.9°C (44.4°F).Humidity
In January, the average relative humidity is 81%.Rainfall
In Truro, in January, during 20.9 rainfall days, 64mm (2.52") of precipitation is typically accumulated. Throughout the year, in Truro, there are 204.6 rainfall days, and 648mm (25.51") of precipitation is accumulated.Snowfall
January and February are months with snowfall. January is the first month it typically snows. Throughout January, in the average 0.3 snowfall days, it receives 2mm (0.08") of snow. Throughout the year, in Truro, United Kingdom, there are 1.5 snowfall days, and 7mm (0.28") of snow is accumulated.Daylight
In Truro, the average length of the day in January is 8h and 37min.On the first day of the month, sunrise is at 8:19 am and sunset at 4:27 pm. On the last day of January, in Truro, sunrise is at 7:56 am and sunset at 5:10 pm GMT.
Sunshine
January has the least sunshine of the year in Truro, with an average of 3.9h of sunshine.UV index
January is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In January, a regular UV index of 2 translates into these guidelines:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
What is the temperature in January in Truro?
What is the average humidity in January in Truro?
How many days does it rain in January in Truro?
When does it start to snow in Truro?
What is the average length of the day in January in Truro?
When are sunrise and sunset in January in Truro?
What is the month with the least sunshine in Truro?
How long on average sun shines in January in Truro?
When is the lowest UV index in Truro?
What is the UV index reading in January in Truro?
Average temperature in January
Truro, United Kingdom
- Average high temperature in January: 9.3°C
The warmest month (with the highest average high temperature) is August (17.8°C).
The month with the lowest average high temperature is February (8.8°C).
- Average low temperature in January: 6.9°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is February (6.7°C).
Average pressure in January
Truro, United Kingdom
- Average pressure in January: 1014.7mbar
The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).
Average wind speed in January
Truro, United Kingdom
- Average wind speed in January: 29.3km/h
The windiest month (with the highest average wind speed) is December (30.4km/h).
The calmest month (with the lowest average wind speed) is July (19.2km/h).
Average humidity in January
Truro, United Kingdom
- Average humidity in January: 81%
The month with the highest relative humidity is June (85%).
The months with the lowest relative humidity are February, November and December (80%).
Average rainfall in January
Truro, United Kingdom
- Average rainfall in January: 64mm
The wettest month (with the highest rainfall) is November (90mm).
The driest month (with the least rainfall) is May (30mm).
Average rainfall days in January
Truro, United Kingdom
- Average rainfall days in January: 20.9 days
The month with the highest number of rainy days is November (21.2 days).
The month with the least rainy days is May (13.3 days).
Average snowfall in January
Truro, United Kingdom
- Average snowfall in January: 2mm
The month with the highest snowfall is February (5mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in January
Truro, United Kingdom
- Average snowfall days in January: 0.3 days
The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
Truro, United Kingdom
- Average daylight in January: 8h and 4min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in January: 3h and 5min
The month with the most sunshine is July (Average sunshine: 8h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in January
Truro, United Kingdom
- Average sunshine days in January: 7.4 days
The month with the most sunshine days is May (14.1 days).
The month with the least sunshine days is November (5.3 days).
Average UV index in January
Truro, United Kingdom
- Average UV index in January: 2
The month with the highest UV index is August (UV index 5).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in January
Truro, United Kingdom
- Average cloud cover in January: 61
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 43).
Average visibility in January
Truro, United Kingdom
- Average visibility in January: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
Truro, United Kingdom
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