Hertfordshire Weather in January

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

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Bishops Stortford Watford Saint Albans Stevenage

Planning a trip to Hertfordshire, the United Kingdom this January? Here's what you need to know about the weather:

What to Expect in Hertfordshire in January

Hertfordshire, the United Kingdom is a region in the United Kingdom. January in Hertfordshire generally has cold temperatures, with moderate precipitation. During January, winter is in full swing.

Temperatures

You can expect cold maximum daytime temperatures of around 9°C (48°F) and nighttime temperatures around 2°C (36°F) in Bishops Stortford. Typically, it's the chilliest month of the year. Making it a great time for staying indoors and enjoying the warmth. Make sure you're prepared by packing the right winter outfits.

To learn more about the conditions in specific areas of Hertfordshire, the United Kingdom, check out the map below.

Precipitation

January is a moderate rainy month with an average rainfall of around 56 mm (2.2 in) in Bishops Stortford.

Average sunshine

Sunshine is more restricted in many locations in January. Bishops Stortford sees roughly 61 hours of sunlight. Our weather planner can help you find destinations with more sunshine if needed.

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 January

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 January for some of the most popular destinations in Hertfordshire, the United Kingdom?

Temperature range in Hertfordshire (January)

Precipitation variation in Hertfordshire (January)

Bishops Stortford

In January Bishops Stortford generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 2°C (36°F) and moderate monthly rainfall. So on average the conditions are poor that month.

« December
January
February »
December
January
February
Max temperature
9°C (48°F)
9°C (48°F)
9°C (48°F)
Min temperature
3°C (37°F)
2°C (36°F)
2°C (36°F)
Monthly sun hours
49 hours
61 hours
78 hours
Monthly rainfall
58 mm (2.3 in)
56 mm (2.2 in)
51 mm (2 in)
Monthly rainy days
16 days
18 days
14 days
Weather conditions
poor
poor
poor
Climate in Bishops Stortford →

Watford

In January 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.

« December
January
February »
December
January
February
Max temperature
9°C (48°F)
9°C (48°F)
9°C (48°F)
Min temperature
3°C (37°F)
3°C (37°F)
3°C (37°F)
Monthly sun hours
54 hours
62 hours
78 hours
Monthly rainfall
61 mm (2.4 in)
59 mm (2.3 in)
54 mm (2.1 in)
Monthly rainy days
16 days
18 days
13 days
Weather conditions
poor
poor
poor
Climate in Watford →

Saint Albans

In January Saint Albans generally has low temperatures with maximum daytime temperatures around 8°C (46°F), minimum nighttime temperatures around 2°C (36°F) and moderate monthly rainfall. So on average the conditions are poor that month.

« December
January
February »
December
January
February
Max temperature
9°C (48°F)
8°C (46°F)
9°C (48°F)
Min temperature
3°C (37°F)
2°C (36°F)
2°C (36°F)
Monthly sun hours
54 hours
62 hours
78 hours
Monthly rainfall
61 mm (2.4 in)
59 mm (2.3 in)
54 mm (2.1 in)
Monthly rainy days
17 days
18 days
14 days
Weather conditions
poor
poor
poor
Climate in Saint Albans →

Stevenage

In January Stevenage generally has low temperatures with maximum daytime temperatures around 8°C (46°F), minimum nighttime temperatures around 2°C (36°F) and moderate monthly rainfall. So on average the conditions are poor that month.

« December
January
February »
December
January
February
Max temperature
9°C (48°F)
8°C (46°F)
9°C (48°F)
Min temperature
3°C (37°F)
2°C (36°F)
2°C (36°F)
Monthly sun hours
51 hours
58 hours
77 hours
Monthly rainfall
58 mm (2.3 in)
56 mm (2.2 in)
51 mm (2 in)
Monthly rainy days
16 days
18 days
14 days
Weather conditions
poor
poor
poor
Climate in Stevenage →

Hemel Hempstead

In January Hemel Hempstead generally has low temperatures with maximum daytime temperatures around 8°C (46°F), minimum nighttime temperatures around 2°C (36°F) and moderate monthly rainfall. So on average the conditions are poor that month.

« December
January
February »
December
January
February
Max temperature
9°C (48°F)
8°C (46°F)
9°C (48°F)
Min temperature
3°C (37°F)
2°C (36°F)
2°C (36°F)
Monthly sun hours
54 hours
62 hours
78 hours
Monthly rainfall
61 mm (2.4 in)
59 mm (2.3 in)
54 mm (2.1 in)
Monthly rainy days
17 days
18 days
14 days
Weather conditions
poor
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 January extremes

Notable January 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.

  • Based on our data, the coldest January night in the United Kingdom dropped to -20°C (-4°F) in Birmingham on January 14, 1982.

Popular cities in January

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

City Weather Day temp Night temp Rainfall
Bishops Stortford 9°C (48°F) 2°C (36°F) 56 mm (2.2 in)
Watford 9°C (48°F) 3°C (37°F) 59 mm (2.3 in)
Saint Albans 8°C (46°F) 2°C (36°F) 59 mm (2.3 in)
Stevenage 8°C (46°F) 2°C (36°F) 56 mm (2.2 in)
Hemel Hempstead 8°C (46°F) 2°C (36°F) 59 mm (2.3 in)
Hertford 8°C (46°F) 2°C (36°F) 58 mm (2.3 in)

Hertfordshire weather in January: frequently asked questions

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

Hertfordshire, the United Kingdom typically experiences poor weather in January, part of the winter season. Daytime highs in Bishops Stortford average around 9°C (48°F), and temperatures drop to about 2°C (36°F) at night.

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

Daytime temperatures in Bishops Stortford peak at roughly 9°C (48°F) in January, dropping to about 2°C (36°F) overnight.

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

Not particularly. Bishops Stortford averages just 56 mm (2.2 in) of rain in January, making it a mostly dry month for Hertfordshire, the United Kingdom.

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

Given the typically poor weather conditions in Bishops Stortford, January may not be the ideal time to visit Hertfordshire, the United Kingdom.

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