Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
The average high-temperature in December, at a frosty 9.7°C (49.5°F), reveals a modest deviation from November's 11.2°C (52.2°F). Haverfordwest's December nights observe a minor shift from the daytime temperatures, resulting in an average dip to a still chilly 7.6°C (45.7°F).Humidity
February through April, November and December, with an average relative humidity of 81%, are the least humid months.Rainfall
In Haverfordwest, in December, it is raining for 21.5 days, with typically 64mm (2.52") of accumulated precipitation. Throughout the year, in Haverfordwest, there are 210.4 rainfall days, and 577mm (22.72") of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Haverfordwest, United Kingdom, during December, snow falls for 0.7 days and regularly aggregates up to 3mm (0.12") of snow. In Haverfordwest, during the entire year, snow falls for 2.7 days and aggregates up to 19mm (0.75") of snow.Daylight
With an average of 7h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 8:05 am and sunset at 4:12 pm. On the last day of December, sunrise is at 8:26 am and sunset at 4:19 pm GMT.
Sunshine
January, November and December, with an average of 3.7h of sunshine, are months with the least sunshine in Haverfordwest.UV index
The average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The daily maximum UV index of 3 in December interprets into the following advice:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Haverfordwest?
What are the least humid months in Haverfordwest?
What is the average humidity in December in Haverfordwest?
How many days does it rain in December in Haverfordwest?
How much does it snow in Haverfordwest in December?
What is the month with the shortest days in Haverfordwest?
How many hours of daylight does Haverfordwest have in December?
What time are sunrise and sunset in December in Haverfordwest?
What is the month with the least sunshine in Haverfordwest?
How long on average sun shines in December in Haverfordwest?
How high is the UV index in December in Haverfordwest?
Average temperature in December
Haverfordwest, United Kingdom
- Average high temperature in December: 9.7°C
The warmest month (with the highest average high temperature) is August (17.2°C).
The month with the lowest average high temperature is February (8.3°C).
- Average low temperature in December: 7.6°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is February (5.6°C).
Average pressure in December
Haverfordwest, United Kingdom
- Average pressure in December: 1013.3mbar
The months with the highest atmospheric pressure are May and September (1016.6mbar).
The month with the lowest atmospheric pressure is November (1009.5mbar).
Average wind speed in December
Haverfordwest, United Kingdom
- Average wind speed in December: 29.1km/h
The windiest month (with the highest average wind speed) is December (29.1km/h).
The calmest month (with the lowest average wind speed) is June (17.9km/h).
Average humidity in December
Haverfordwest, United Kingdom
- Average humidity in December: 81%
The months with the highest relative humidity are July and August (84%).
The months with the lowest relative humidity are February, March, April, November and December (81%).
Average rainfall in December
Haverfordwest, United Kingdom
- Average rainfall in December: 64mm
The wettest month (with the highest rainfall) is November (77mm).
The driest month (with the least rainfall) is May (23mm).
Average rainfall days in December
Haverfordwest, United Kingdom
- Average rainfall days in December: 21.5 days
The month with the highest number of rainy days is November (21.9 days).
The month with the least rainy days is May (13.9 days).
Average snowfall in December
Haverfordwest, United Kingdom
- Average snowfall in December: 3mm
The month with the highest snowfall is January (8mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Haverfordwest, United Kingdom
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Haverfordwest, United Kingdom
- Average daylight in December: 7h and 5min
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 December: 3h and 4min
The month with the most sunshine is May (Average sunshine: 8h and 24min).
The months with the least sunshine are January, November and December (Average sunshine: 3h and 42min).
Average sunshine days in December
Haverfordwest, United Kingdom
- Average sunshine days in December: 5.7 days
The month with the most sunshine days is May (14.2 days).
The month with the least sunshine days is November (5.5 days).
Average UV index in December
Haverfordwest, United Kingdom
- Average UV index in December: 3
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 and February (UV index 2).
Average cloud cover in December
Haverfordwest, United Kingdom
- Average cloud cover in December: 64
The months with the most cloud cover are November and December (Cloud cover 64).
The month with the least cloud cover is May (Cloud cover 46).
Average visibility in December
Haverfordwest, United Kingdom
- Average visibility in December: 10km
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).
