Haverfordwest Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Haverfordwest.

Climate overview of Haverfordwest

Haverfordwest, Dyfed, United Kingdom, has a moderate seasonal temperature range, with August reaching 19°C (66°F) and February cooling to 10°C (50°F).

The city has a wet climate, receiving around 1113 mm (44 in) of rainfall per year. November is the wettest month.

Haverfordwest Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Haverfordwest - and find the best time to visit.

Monthly Temperature in Haverfordwest

The weather in Haverfordwest changes moderately throughout the year, offering enough variation to appreciate each season. On average, daytime temperatures range from a pleasant 19°C (66°F) in August to a chilly 10°C (50°F) in February.

Nighttime temperatures range from 14°C (57°F) in August to 5°C (41°F) in February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Haverfordwest

Haverfordwest is known for its substantial rainfall, with annual precipitation reaching 1113 mm (44 in). The amount of precipitation varies moderately throughout the year. The wettest month, November, sees around 130 mm (5.1 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, May, still receives a respectable 68 mm (2.7 in) of rainfall. For more details, please visit our Haverfordwest Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Best Time to Visit Haverfordwest

Conditions in Haverfordwest are generally most comfortable in July, August and September. They are typically least comfortable in January, February, November and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: July, August and September
  • Warmest weather: July, August and September
  • Fewest rainy days: April, June and July

Frequently asked questions about the climate in Haverfordwest

What is the best time to visit Haverfordwest?

July, August and September typically offer the most optimal weather in Haverfordwest. In contrast, January, February, November and December tend to have less optimal conditions.

What temperatures can I expect in Haverfordwest?

Daytime highs range from 10°C (50°F) in February to 19°C (66°F) in August. Nighttime lows range from 5°C (41°F) to 14°C (57°F).

How much rain does Haverfordwest get?

Annual rainfall is around 1113 mm (44 in). November is the wettest month with 130 mm (5.1 in), while May is the driest with 68 mm (2.7 in).

Haverfordwest 3-Day Forecast

Haverfordwest on the map

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