Hertfordshire, United Kingdom Weather

  1. Hertfordshire, United Kingdom Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in Hertfordshire over the next 12 hours
  7. Temperature and possibility of rain in Hertfordshire in the coming days
  8. Rainfall in Hertfordshire in the coming days
  9. Hertfordshire Weather Summary
  10. Weather averages by month
  11. Hertfordshire's weather
  12. Frequently asked questions
  13. Comments
Hertfordshire, Weather
(Photo by Viktor Forgacs on Unsplash)

Current conditions

Updated:
11°C
51.8°F
°C °F

Condition: Overcast

Pressure: 998 hPa

Feel like: 9 °C

Temperature: 11°C

Cloud: 100%

Humidity: 69%

Wind: S - 10 km/h

Visibility: 29.36 km

Weather forecast

Sat
06 Jun
9°C / 19°C
Overcast
Sun
07 Jun
10°C / 15°C
Moderate Drizzle
Mon
08 Jun
8°C / 16°C
Overcast
Tue
09 Jun
8°C / 16°C
Drizzle
Wed
10 Jun
10°C / 14°C
Drizzle
Hourly forecast today:
23:00 PM
6° / 11°
6° / 11°
Overcast
69% 20 km/h
00:00 AM
7° / 11°
7° / 11°
Overcast
74% 17 km/h
01:00 AM
7° / 11°
7° / 11°
Overcast
75% 16 km/h
02:00 AM
8° / 11°
8° / 11°
Drizzle
80% 21 km/h
03:00 AM
9° / 11°
9° / 11°
Drizzle
87% 26 km/h
04:00 AM
10° / 11°
10° / 11°
Drizzle
92% 28 km/h
05:00 AM
10° / 11°
10° / 11°
Drizzle
94% 32 km/h
06:00 AM
10° / 12°
10° / 12°
Drizzle
91% 34 km/h
07:00 AM
10° / 12°
10° / 12°
Drizzle
88% 41 km/h
08:00 AM
10° / 11°
10° / 11°
Slight Rain
95% 33 km/h
09:00 AM
11° / 11°
11° / 11°
Slight Rain
95% 40 km/h

30 Day Averages and Extremes

  • Average high 19.13°C
  • Average low 10.17°C
  • Hottest day 33°C (25 May 2026)
  • Coldest day 0°C (18 June 2026)
  • Average humidity 65.13%
  • Days with precipitation 24 days
  • Highest precipitation 92 mm (01 June 2026)

Yesterday's Data

  • Max: 16°C
  • Min: 11°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in Hertfordshire over the next 12 hours

Temperature and possibility of rain in Hertfordshire in the coming days

Rainfall in Hertfordshire in the coming days

Hertfordshire Climate Summary

Hertfordshire features a Marine west coast, warm summer (Köppen classification: Cfb), with an average annual temperature of 11.29ºC (52.32ºF), which is about 0.54% higher than the national average for United Kingdom. Annually, the city experiences approximately 41.36 millimeters (1.63 inches) of rainfall, spread across 115.11 rainy days, accounting for 31.54% of the year.

Longitude 51.8097823
Latitude -0.2376744
Yearly high temperature 13.7ºC (56.66ºF)
Yearly low temperature 6.9ºC (44.42ºF)
Hottest month July 21.6ºC (70.88ºF)
Coldest month December 2.99ºC (37.38ºF)
Yearly precip 41.36mm (1.63in)
Days with rainfall 115.11 days (31.54%)
Driest month March (82.39%)
Wettest month June (81.55%)

Weather averages by month

Month High / Low (°C) Rain
January 6.18° / 1.75° 9.64 days
February 7.14° / 2.01° 8.82 days
March 10.09° / 3.04° 7.55 days
April 13.46° / 4.8° 8.91 days
May 15.92° / 7.22° 10.18 days
June 18.87° / 10.19° 11.91 days
July 21.6° / 12.73° 11.73 days
August 21.14° / 13.33° 11.82 days
September 18.66° / 10.99° 6.18 days
October 14.43° / 8.57° 10.0 days
November 9.78° / 5.15° 8.82 days
December 7.16° / 2.99° 9.55 days

Hertfordshire's weather

Frequently asked questions

1. What is the hottest month in Hertfordshire?

July has the highest average monthly temperature (daily mean of 21.6ºC) and December are the coolest (daily mean of 2.99ºC).

2. What should I wear in Hertfordshire today?

For today's cool weather in Hertfordshire, with temperatures between 11ºC to 14ºC (51.8ºF to 57.2ºF), you should consider wearing:
- Comfortable pants or jeans
- Long-sleeve top or shirt
- Cotton socks
- Thin gloves (optional for early mornings or late evenings)

Temperature

Early
9°C / 12°C
Morning
7°C / 14°C
Afternoon
5°C / 16°C
Evening
5°C / 11°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 452
  • CO 132
  • NH3 1
  • NO2 12
  • O3 63
  • PM10 11
  • PM25 6
  • SO2 0
  • CH4 1,379

Sunrise / Sunset

03:44
20:14