Horsham Weather in December

Horsham in December sees low temperatures, with highs around 8°C (46°F) and overnight lows of -1°C (30°F). Snow/rainfall is fairly high at around 122 mm (4.8 in) on average, so pack waterproofs just in case.

Rainfall in Horsham in December

Snow/rain is expected on roughly 12 days, totalling around 122 mm (4.8 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Horsham in December

Daytime temperatures in Horsham reach 8°C (46°F) in December, dropping to -1°C (30°F) at night. December marks the winter season. It stays cool throughout the day, so warm layers are a good idea from morning to evening. At -1°C (30°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating.

Sunshine in Horsham in December

The area enjoys a moderate level of sunlight, with around 140 hours. It's a good balance between sunny and cloudy days.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Horsham. Our weather planner can help you explore destinations with more pleasant weather conditions.

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• January
• February
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• May
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• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Horsham's climate page.

Horsham Temperature in December

Min Temperature -1°C (30°F)  

Max Temperature 8°C (46°F)  

Chance of Rain 40%  

Precipitation 122 mm (4.8 in)  

Rainy days 12 days  

Humidity 67% *  

Sunshine 140 hours *  

Percentage Sunshine 48% *  

* Data from: Philadelphia, the United States of America (25 KM, 15 Miles).

What to Wear in Horsham in December

Cold weather calls for smart layering in December. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Prepare for significant rainfall with proper waterproof clothing and shoes. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Horsham in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

4/10

Walking

4/10

Camping

1/10

Outdoor sports

4/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Horsham's climate page.

More climate data for Horsham

Temperature Rainfall Sunshine Humidity

See the full Horsham climate overview or explore weather in the United States of America.