Hertfordshire Weather in December

Average temperatures, rainfall, sunshine and the best places to visit in Hertfordshire, the United Kingdom in December.

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Bishops Stortford Watford Saint Albans Stevenage

Are you planning a trip a to Hertfordshire, the United Kingdom in December and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Hertfordshire in December

Hertfordshire, the United Kingdom is a region in the United Kingdom. December in Hertfordshire generally has cold temperatures, with moderate precipitation. It's the height of winter.

Temperatures

You can expect cold maximum daytime temperatures of around 9°C (48°F) and nighttime temperatures around 3°C (37°F) in Bishops Stortford.

For specific regional insights in Hertfordshire, the United Kingdom, refer to the map provided below.

Precipitation

In December, precipitation varies across different areas. From moderate rainfall in Baldock with an average of 58 mm (2.3 in) to moderate rainfall in Rickmansworth with 62 mm (2.4 in).

Average sunshine

Many places experience limited sunshine during this period. Bishops Stortford receives around 49 hours of sunlight. If you prefer more sunny conditions, our weather planner can help you explore other destinations.

Explore Hertfordshire by month

Pick a month to see the average temperature, rainfall and sunshine in Hertfordshire — and find the best time to visit. (based on Bishops Stortford)

January9°C (48°F) February9°C (48°F) March12°C (54°F) April14°C (57°F) May18°C (64°F) June20°C (68°F) This monthJuly23°C (73°F) August23°C (73°F) September20°C (68°F) October16°C (61°F) November12°C (54°F) December9°C (48°F)
Best Time to Visit Hertfordshire →

Best Places to Visit in Hertfordshire in December

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Hertfordshire.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Hertfordshire

What is the weather like in December for some of the most popular destinations in Hertfordshire, the United Kingdom?

Temperature range in Hertfordshire (December)

Precipitation variation in Hertfordshire (December)

Bishops Stortford

In December Bishops Stortford generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 3°C (37°F) and moderate monthly rainfall. So on average the conditions are poor that month.

« November
December
January »
November
December
January
Max temperature
12°C (54°F)
9°C (48°F)
9°C (48°F)
Min temperature
5°C (41°F)
3°C (37°F)
2°C (36°F)
Monthly sun hours
71 hours
49 hours
61 hours
Monthly rainfall
61 mm (2.4 in)
58 mm (2.3 in)
56 mm (2.2 in)
Monthly rainy days
17 days
16 days
18 days
Weather conditions
unpleasant
poor
poor
Climate in Bishops Stortford →

Watford

In December Watford generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 3°C (37°F) and moderate monthly rainfall. So on average the conditions are poor that month.

« November
December
January »
November
December
January
Max temperature
12°C (54°F)
9°C (48°F)
9°C (48°F)
Min temperature
5°C (41°F)
3°C (37°F)
3°C (37°F)
Monthly sun hours
70 hours
54 hours
62 hours
Monthly rainfall
67 mm (2.6 in)
61 mm (2.4 in)
59 mm (2.3 in)
Monthly rainy days
17 days
16 days
18 days
Weather conditions
unpleasant
poor
poor
Climate in Watford →

Saint Albans

In December Saint Albans generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 3°C (37°F) and moderate monthly rainfall. So on average the conditions are poor that month.

« November
December
January »
November
December
January
Max temperature
11°C (52°F)
9°C (48°F)
8°C (46°F)
Min temperature
5°C (41°F)
3°C (37°F)
2°C (36°F)
Monthly sun hours
70 hours
54 hours
62 hours
Monthly rainfall
65 mm (2.6 in)
61 mm (2.4 in)
59 mm (2.3 in)
Monthly rainy days
17 days
17 days
18 days
Weather conditions
unpleasant
poor
poor
Climate in Saint Albans →

Stevenage

In December Stevenage generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 3°C (37°F) and moderate monthly rainfall. So on average the conditions are poor that month.

« November
December
January »
November
December
January
Max temperature
11°C (52°F)
9°C (48°F)
8°C (46°F)
Min temperature
5°C (41°F)
3°C (37°F)
2°C (36°F)
Monthly sun hours
67 hours
51 hours
58 hours
Monthly rainfall
61 mm (2.4 in)
58 mm (2.3 in)
56 mm (2.2 in)
Monthly rainy days
16 days
16 days
18 days
Weather conditions
unpleasant
poor
poor
Climate in Stevenage →

Hemel Hempstead

In December Hemel Hempstead generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 3°C (37°F) and moderate monthly rainfall. So on average the conditions are poor that month.

« November
December
January »
November
December
January
Max temperature
11°C (52°F)
9°C (48°F)
8°C (46°F)
Min temperature
5°C (41°F)
3°C (37°F)
2°C (36°F)
Monthly sun hours
70 hours
54 hours
62 hours
Monthly rainfall
66 mm (2.6 in)
61 mm (2.4 in)
59 mm (2.3 in)
Monthly rainy days
17 days
17 days
18 days
Weather conditions
unpleasant
poor
poor
Climate in Hemel Hempstead →

Is your destination not in the list? Have a look at all destinations in Hertfordshire, in the United Kingdom.

In our records: the United Kingdom December extremes

Notable December records observed across cities in the United Kingdom in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the coldest December daytime high in the United Kingdom was -10°C (14°F) in Glasgow on December 29, 1995.
  • From our sources, the wettest December day in the United Kingdom brought 301 mm (12 in) in Belfast on December 4, 1982.

Popular cities in December

Day & night temperatures, rainfall and average weather in Hertfordshire in December.

City Weather Day temp Night temp Rainfall
Bishops Stortford 9°C (48°F) 3°C (37°F) 58 mm (2.3 in)
Watford 9°C (48°F) 3°C (37°F) 61 mm (2.4 in)
Saint Albans 9°C (48°F) 3°C (37°F) 61 mm (2.4 in)
Stevenage 9°C (48°F) 3°C (37°F) 58 mm (2.3 in)
Hemel Hempstead 9°C (48°F) 3°C (37°F) 61 mm (2.4 in)
Hertford 9°C (48°F) 3°C (37°F) 60 mm (2.4 in)

Hertfordshire weather in December: frequently asked questions

What is the weather like in Hertfordshire, the United Kingdom in December?

Hertfordshire, the United Kingdom typically experiences poor weather in December, part of the winter season. Daytime highs in Bishops Stortford average around 9°C (48°F), and temperatures drop to about 3°C (37°F) at night.

What is the average temperature in Hertfordshire, the United Kingdom in December?

Daytime temperatures in Bishops Stortford peak at roughly 9°C (48°F) in December, dropping to about 3°C (37°F) overnight.

Does Hertfordshire, the United Kingdom get a lot of rain in December?

Not particularly. Bishops Stortford averages just 58 mm (2.3 in) of rain in December, making it a mostly dry month for Hertfordshire, the United Kingdom.

Is December a Good Time to Visit Hertfordshire, the United Kingdom?

In our view, December might not be the best time to travel to Hertfordshire, the United Kingdom with often poor weather in Bishops Stortford.

Generally speaking, the best visiting conditions can be found in June, July, August and September offering mostly perfect weather in Bishops Stortford. The weather in January, February and December, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Hertfordshire.

Weather and climate has detailed information for every country in the world. Are you going to the United Kingdom? Get detailed historical weather averages for many cities in the United Kingdom.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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