Climate of Hertfordshire, United Kingdom
Area-weighted average across Hertfordshire. For where people actually live and travel, see the cities below.
Hertfordshire, a subdivision of United Kingdom, has a seasonal climate on average. Area-weighted monthly temperatures across the whole territory range from 3.9°C / 39°F in January to 16.7°C / 62.1°F in July, with rainfall from 43 mm / 1.7 in to 64 mm / 2.5 in depending on the season (652 mm / 25.7 in total across the year).
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 3.9°C39°F | 63 mm2.5″ | — |
| February | 3.9°C39°F | 43 mm1.7″ | — |
| March | 6°C42.8°F | 51 mm2″ | — |
| April | 7.9°C46.2°F | 48 mm1.9″ | — |
| May | 11.3°C52.3°F | 49 mm1.9″ | — |
| June | 14.3°C57.7°F | 55 mm2.2″ | — |
| July | 16.7°C62.1°F | 44 mm1.7″ | Sunny & Mild |
| August | 16.6°C61.9°F | 52 mm2″ | — |
| September | 13.9°C57°F | 58 mm2.3″ | — |
| October | 10.4°C50.7°F | 64 mm2.5″ | — |
| November | 6.7°C44.1°F | 63 mm2.5″ | — |
| December | 4.8°C40.6°F | 62 mm2.4″ | — |
Frequently asked questions
What is the best time to visit Hertfordshire?
The best months to visit Hertfordshire, United Kingdom for sunny, dry weather are July. The warmest month is July at an area-wide average of 16.7°C / 62.1°F, and the driest is February with about 43 mm / 1.7 in of rainfall.
What is the climate of Hertfordshire?
Hertfordshire, United Kingdom has area-weighted monthly average temperatures ranging from 3.9°C / 39°F in January to 16.7°C / 62.1°F in July. Annual rainfall averages about 652 mm / 25.7 in, with the wettest month being October (64 mm / 2.5 in) and the driest February (43 mm / 1.7 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Hertfordshire?
The hottest month in Hertfordshire is July, with an area-wide average temperature of 16.7°C / 62.1°F.
What is the coldest month in Hertfordshire?
The coldest month in Hertfordshire is January, with an area-wide average temperature of 3.9°C / 39°F.
When does it rain most in Hertfordshire?
The wettest month in Hertfordshire is October, averaging about 64 mm / 2.5 in of rainfall. The driest is February with about 43 mm / 1.7 in.