Troy, United States — Weather in December 2026

Monthly climate averages for Troy, United States. Based on 10-year ERA5 reanalysis data.

Cfa Humid Subtropical
2.5 /10
Poor

December is a poor month in Troy

Climate Overview

Troy, United States in December has cold conditions, with highs averaging around 7.9°C (46°F).

This month falls at the beginning of Winter. Cold conditions dominate the month.

Temperatures remain fairly steady throughout December, with daily highs around 8°C (46°F).

Rainfall is heaviest during the last third of the month, while the first third tends to be drier.

Expect around 5.9h of sunshine at the start of December, decreasing to 4.4h by the end.

Wind speeds pick up through the month, from 16 km/h (10 mph) to 20 km/h (12 mph).

The warmest days tend to fall around the 26th, averaging 9.5°C (49°F).

Compared to November, this month is about 5°C cooler with 0 fewer rainy days. Temperatures begin dropping heading into January.

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Monthly December Averages

Temperature
8°C / 0°C
Feels Like
5°C / -4°C
Rain
8 days · 62 mm
Sunshine
5.6h / day
Humidity
70% — Humid
Wind
18 km/h
Wind Direction
SW (235°)
Gusts
37 km/h
Daylight
9.5 h
Cloud Cover
61%
Clear Sky Days
4.5
UV Index
2.4 — Moderate
Dew Point
-1°C — Dry
Moon Phase
Waxing Crescent · 31%
Snow Days
3 days · 3.5 cm
Frost Days
15 days

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

16°C 12°C 8°C 4°C 0°C -4°C -8°C 151015202531
High Low

Daily Precipitation

0 mm 2 mm 4 mm 6 mm 8 mm 151015202531
Rainfall

Daily Sunshine

0h 2h 4h 6h 8h 10h 151015202531
Sunshine

Daily Wind Speed

0 6 12 18 24 30 151015202531
Wind Speed
Sun Position
Sunrise 07:11
Daylight 9.5h
Sunset 16:39

What to Expect

Cold daytime highs of 8°C (46°F) mean shorter outdoor excursions with warming breaks.

Rain usually comes in shorter passing showers rather than all-day rain.

2 of the last 5 yearly records were warmer than this month's long-run average.

Compare Months

January
Poor
Temp
5°C / -3°C
Feels Like
1°C / -8°C
Rain
8days (77 mm) Wet
Sun
5.4h Fair
Humidity
69% Muggy
UV
2.7 Moderate
Snow Days
6days
View Details
February
Poor
Temp
9°C / -1°C
Feels Like
5°C / -6°C
Rain
8days (70 mm) Wet
Sun
6.8h Fair
Humidity
66% Muggy
UV
3.7 Moderate
Snow Days
6days
View Details
March
Fair
Temp
15°C / 4°C
Feels Like
12°C / 1°C
Rain
12days (121 mm) Wet
Sun
7.5h Good
Humidity
64% Muggy
UV
5.1 High
Snow Days
2days
View Details
April
Good
Temp
19°C / 9°C
Feels Like
18°C / 6°C
Rain
12days (139 mm) Wet
Sun
8.9h Good
Humidity
63% Muggy
UV
5.8 High
Snow Days
1days
View Details
May best
Excellent
Temp
25°C / 15°C
Feels Like
25°C / 14°C
Rain
13days (131 mm) Wet
Sun
9.8h Good
Humidity
68% Muggy
UV
7 High
View Details
June best
Excellent
Temp
30°C / 20°C
Feels Like
33°C / 22°C
Rain
10days (95 mm) Wet
Sun
11.9h Excellent
Humidity
65% Muggy
UV
7.3 Very High
View Details
July
Fair
Temp
31°C / 22°C
Feels Like
35°C / 25°C
Rain
12days (116 mm) Wet
Sun
11.9h Excellent
Humidity
71% Muggy
UV
7.4 Very High
View Details
August best
Excellent
Temp
30°C / 21°C
Feels Like
33°C / 23°C
Rain
10days (111 mm) Wet
Sun
10.9h Excellent
Humidity
71% Muggy
UV
6.8 High
View Details
September best
Excellent
Temp
28°C / 18°C
Feels Like
29°C / 19°C
Rain
7days (80 mm) Good
Sun
10.1h Excellent
Humidity
67% Muggy
UV
5.9 High
View Details
October best
Good
Temp
21°C / 12°C
Feels Like
20°C / 10°C
Rain
8days (82 mm) Wet
Sun
7.8h Good
Humidity
65% Muggy
UV
4.4 Moderate
View Details
November
Fair
Temp
13°C / 5°C
Feels Like
10°C / 1°C
Rain
8days (70 mm) Wet
Sun
6.7h Fair
Humidity
68% Muggy
UV
3 Moderate
Snow Days
1days
View Details
December
Poor
Temp
8°C / 0°C
Feels Like
5°C / -4°C
Rain
8days (62 mm) Wet
Sun
5.6h Fair
Humidity
70% Muggy
UV
2.4 Moderate
Snow Days
3days
View Details
Month Temp Feels Like Rain Sun Humidity UV Status
January 5°C / -3°C 1°C / -8°C 8days (77 mm) Wet 5.4h Fair 69% Muggy 2.7 Moderate Poor View Details
February 9°C / -1°C 5°C / -6°C 8days (70 mm) Wet 6.8h Fair 66% Muggy 3.7 Moderate Poor View Details
March 15°C / 4°C 12°C / 1°C 12days (121 mm) Wet 7.5h Good 64% Muggy 5.1 High Fair View Details
April 19°C / 9°C 18°C / 6°C 12days (139 mm) Wet 8.9h Good 63% Muggy 5.8 High Good View Details
May best 25°C / 15°C 25°C / 14°C 13days (131 mm) Wet 9.8h Good 68% Muggy 7 High Excellent View Details
June best 30°C / 20°C 33°C / 22°C 10days (95 mm) Wet 11.9h Excellent 65% Muggy 7.3 Very High Excellent View Details
July 31°C / 22°C 35°C / 25°C 12days (116 mm) Wet 11.9h Excellent 71% Muggy 7.4 Very High Fair View Details
August best 30°C / 21°C 33°C / 23°C 10days (111 mm) Wet 10.9h Excellent 71% Muggy 6.8 High Excellent View Details
September best 28°C / 18°C 29°C / 19°C 7days (80 mm) Good 10.1h Excellent 67% Muggy 5.9 High Excellent View Details
October best 21°C / 12°C 20°C / 10°C 8days (82 mm) Wet 7.8h Good 65% Muggy 4.4 Moderate Good View Details
November 13°C / 5°C 10°C / 1°C 8days (70 mm) Wet 6.7h Fair 68% Muggy 3 Moderate Fair View Details
December 8°C / 0°C 5°C / -4°C 8days (62 mm) Wet 5.6h Fair 70% Muggy 2.4 Moderate Poor View Details

What to Wear

Full winter gear is a must — insulated coat, thermal base layers, warm hat, gloves, and waterproof boots.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

Warm coatUmbrellaComfortable walking shoes

Frequently Asked Questions

December is typically poor for visiting Troy, with average highs of 8°C (46°F) and around 8 rainy days. Troy, United States in December has cold conditions, with highs averaging around 7.9°C (46°F).
Troy typically sees around 8 rainy days in December with 62 mm (2.4 in) of total rainfall. An umbrella should suffice.
Yes, nights in Troy during December are cold, averaging 0°C (32°F). Pack warm layers and a coat for evenings.
With highs of 8°C (46°F) and lows of 0°C (32°F) in December, we recommend: Warm coat, Umbrella, Comfortable walking shoes. Comfortable walking shoes are essential.
December is not the most favourable month weather-wise in Troy. Consider visiting during months with milder temperatures or less rainfall for a better experience.
The average UV index in Troy during December is 2 (low). No special sun protection is needed.
Troy gets approximately 10 hours of daylight per day in December, with around 6 hours of sunshine.
Yes, Troy typically sees around 3 snow days in December with roughly 4 cm (1 in) of snowfall.

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