nomadseason

Monthly climate in Haverfordwest, Wales, United Kingdom

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Haverfordwest features a oceanic climate (Cfb).Temperatures typically range between 7 °C (46 °F) and 16 °C (61 °F) through the year, but rarely can drop to -4 °C (25 °F) or can rise to as high as 25 °C (77 °F).The average annual precipitation amounts to about 1144 mm (45.1 inches) and receives 174 rainy days on the 1 mm (0.04 inches) threshold annually.Haverfordwest enjoys an average of 3318 hours of sunshine throughout the year, and daylight varies from 7 hours 51 minutes to 16 hours 34 minutes per day.

Monthly average temperatures in Haverfordwest, Wales, United Kingdom §

The warmest months in Haverfordwest are July, August and September, with daily mean temperatures ranging from 15 to 16 °C (59 - 61 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 7 to 8 °C (46 - 46 °F) throughout the day. On average each year, Haverfordwest experiences 0 days above 25 °C (77.0 °F) and 1 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Haverfordwest, Wales, United Kingdom.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 14°C
(57°F)		 13°C
(56°F)		 15°C
(59°F)		 18°C
(64°F)		 21°C
(71°F)		 24°C
(75°F)		 25°C
(77°F)		 23°C
(74°F)		 25°C
(77°F)		 19°C
(67°F)		 15°C
(60°F)		 13°C
(56°F)
Mean maximum 12°C
(54°F)		 12°C
(54°F)		 13°C
(56°F)		 16°C
(62°F)		 19°C
(66°F)		 21°C
(70°F)		 23°C
(74°F)		 22°C
(71°F)		 21°C
(70°F)		 18°C
(64°F)		 14°C
(58°F)		 13°C
(55°F)
Average high 9°C
(48°F)		 9°C
(48°F)		 10°C
(49°F)		 12°C
(53°F)		 14°C
(57°F)		 16°C
(62°F)		 18°C
(65°F)		 18°C
(64°F)		 17°C
(62°F)		 14°C
(58°F)		 11°C
(53°F)		 10°C
(50°F)
Daily mean 7°C
(46°F)		 7°C
(46°F)		 8°C
(46°F)		 9°C
(49°F)		 12°C
(53°F)		 14°C
(58°F)		 16°C
(61°F)		 16°C
(61°F)		 15°C
(59°F)		 13°C
(55°F)		 10°C
(50°F)		 9°C
(48°F)
Average low 6°C
(43°F)		 6°C
(43°F)		 6°C
(43°F)		 7°C
(45°F)		 9°C
(49°F)		 12°C
(55°F)		 14°C
(58°F)		 15°C
(59°F)		 13°C
(56°F)		 11°C
(52°F)		 9°C
(48°F)		 7°C
(46°F)
Mean minimum 2°C
(36°F)		 1°C
(35°F)		 2°C
(36°F)		 3°C
(38°F)		 5°C
(42°F)		 10°C
(49°F)		 12°C
(53°F)		 12°C
(54°F)		 9°C
(49°F)		 6°C
(44°F)		 4°C
(40°F)		 3°C
(38°F)
Minimum 1°C
(33°F)		 -1°C
(30°F)		 -4°C
(25°F)		 2°C
(36°F)		 4°C
(40°F)		 8°C
(47°F)		 11°C
(52°F)		 10°C
(51°F)		 7°C
(45°F)		 2°C
(36°F)		 3°C
(38°F)		 2°C
(36°F)

Compare climate in Haverfordwest with other places

Compare temperature, precipitation, sunshine, UV index in Haverfordwest, Wales, United Kingdom with other places around the world.

Monthly average precipitation in Haverfordwest, Wales, United Kingdom §

Haverfordwest usually has the most precipitation in October, November and December, with an average of 18 rainy days and 137 mm (5.4 inches) of precipitation per month.The driest months in Haverfordwest are April, May and July. On average, 59 mm (2.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Haverfordwest, Wales, United Kingdom.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 80 (3.2) 102 (4.0) 93 (3.7) 50 (2.0) 61 (2.4) 82 (3.2) 67 (2.6) 101 (4.0) 97 (3.8) 130 (5.1) 131 (5.2) 150 (5.9)
Average precipitation days (≥ 1 mm) 13 16 16 9 9 13 12 16 14 17 19 20

Monthly sunshine hours in Haverfordwest, Wales, United Kingdom §

The sunniest months in Haverfordwest are May, June and July, when the sun shines an average of 13 hours 40 minutes a day.Least sunny months in Haverfordwest: January, November and December receive an average of 3 hours 55 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Haverfordwest, Wales, United Kingdom.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 101 161 233 345 416 413 427 386 319 252 142 117
Mean daily daylight hours 8h 22m 9h 57m 11h 55m 13h 55m 15h 40m 16h 34m 16h 5m 14h 31m 12h 35m 10h 35m 8h 48m 7h 51m

Solar UV radiation in Haverfordwest, Wales, United Kingdom §

Haverfordwest experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 7 - 8, which corresponds to the High / Very High category of sun exposure.January, February and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 2. For more detailed information, check out our hourly Haverfordwest UV Index data.

Average daily maximum UV levels by month for Haverfordwest, Wales, United Kingdom.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 1 2 4 6 7 8 8 7 6 4 2 1