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's beginning signals an average high-temperature of a still chilly 7.7°C (45.9°F), barely different from December's 8.6°C (47.5°F). A minor drop in temperature is observed from daytime highs in Carmarthen during the nights of January, averaging an icy 4°C (39.2°F).Humidity
January is the most humid month in Carmarthen, with an average relative humidity of 87%.Rainfall
In Carmarthen, in January, it is raining for 20 days, with typically 50mm (1.97") of accumulated precipitation. Throughout the year, there are 210.2 rainfall days, and 515mm (20.28") of precipitation is accumulated.Snowfall
January, February, November and December are months with snowfall in Carmarthen. In Carmarthen, in January, snow falls for 1.2 days, with typically accumulated 2mm (0.08") of snow. Throughout the year, in Carmarthen, United Kingdom, there are 3.9 snowfall days, and 15mm (0.59") of snow is accumulated.Daylight
In January, the average length of the day in Carmarthen is 8h and 24min.On the first day of January in Carmarthen, sunrise is at 8:24 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 5:02 pm GMT.
Sunshine
The month with the least sunshine is January, with an average of 3.6h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 in January converts into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. During bright days, sunglasses that offer UVA and UVB defense are recommended. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Frequently asked questions
What is the average January temperature in Carmarthen?
What is the most humid month in Carmarthen?
What is the average humidity in January in Carmarthen?
How much does it rain in Carmarthen in January?
How many days does it snow in January in Carmarthen?
What is the average length of the day in January in Carmarthen?
When are sunrise and sunset in January in Carmarthen?
What is the month with the least sunshine in Carmarthen?
How many hours of sunshine does Carmarthen have in January?
When is the lowest UV index in Carmarthen?
What is the UV index intensity in January in Carmarthen?
Average temperature in January
Carmarthen, United Kingdom
- Average high temperature in January: 7.7°C
The warmest month (with the highest average high temperature) is July (17.9°C).
The month with the lowest average high temperature is February (7.6°C).
- Average low temperature in January: 4°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is February (3.9°C).
Average pressure in January
Carmarthen, United Kingdom
- Average pressure in January: 1013.5mbar
The months with the highest atmospheric pressure are May and September (1016.6mbar).
The month with the lowest atmospheric pressure is November (1009.6mbar).
Average wind speed in January
Carmarthen, United Kingdom
- Average wind speed in January: 21.3km/h
The windiest month (with the highest average wind speed) is December (22.3km/h).
The calmest month (with the lowest average wind speed) is June (14.5km/h).
Average humidity in January
Carmarthen, United Kingdom
- Average humidity in January: 87%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and May (82%).
Average rainfall in January
Carmarthen, United Kingdom
- Average rainfall in January: 50mm
The wettest month (with the highest rainfall) is November (60mm).
The driest month (with the least rainfall) is May (24mm).
Average rainfall days in January
Carmarthen, United Kingdom
- Average rainfall days in January: 20 days
The month with the highest number of rainy days is December (20.6 days).
The month with the least rainy days is April (13.5 days).
Average snowfall in January
Carmarthen, United Kingdom
- Average snowfall in January: 2mm
The month with the highest snowfall is February (7mm).
The months with the least snowfall are March, April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Carmarthen, United Kingdom
- Average snowfall days in January: 1.2 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Carmarthen, United Kingdom
- Average daylight in January: 8h and 2min
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 4min
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 36min).
Average sunshine days in January
Carmarthen, United Kingdom
- Average sunshine days in January: 8.2 days
The month with the most sunshine days is March (13.2 days).
The month with the least sunshine days is August (6.3 days).
Average UV index in January
Carmarthen, United Kingdom
- Average UV index in January: 2
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 in January
Carmarthen, United Kingdom
- Average cloud cover in January: 63
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 in January
Carmarthen, United Kingdom
- Average visibility in January: 9km
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).
Carmarthen, United Kingdom
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