5.9 /10
Fair

December is a fair month in Millbrook

Climate Overview

Millbrook, United States in December has mild conditions, with highs averaging 15.8°C (60°F) and noticeably cooler mornings. Rain falls on about 10 days this month.

This month falls at the beginning of Winter.

Temperatures remain fairly steady throughout December, with daily highs around 16°C (61°F).

December sees fairly even rainfall, totalling about 114 mm across the month.

The warmest days tend to fall around the 29th, averaging 16.9°C (62°F).

Compared to November, this month is about 4°C cooler with 3 more rainy days.

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Monthly December Averages

Temperature
16°C / 7°C
Feels Like
14°C / 5°C
Rain
10 days · 115 mm
Sunshine
5.9h / day
Humidity
77% — Humid
Wind
15 km/h
Wind Direction
NNW (333°)
Gusts
33 km/h
Daylight
10.1 h
Cloud Cover
59%
Clear Sky Days
6.2
UV Index
3.4 — Moderate
Dew Point
8°C — Dry
Moon Phase
Waxing Crescent · 31%
Frost Days
3 days

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

24°C 20°C 16°C 12°C 8°C 4°C 0°C 151015202531
HighLow

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 5 10 15 20 25 151015202531
Wind Speed
Sun Position
Sunrise 06:41
Daylight 10h
Sunset 16:43

Compare Months

January
Fair
Temp
14°C / 5°C
Feels Like
12°C / 2°C
Rain
11days (137 mm) Wet
Sun
6.7h Fair
Humidity
74% Muggy
UV
3.6 Moderate
Snow Days
1days
February
Good
Temp
18°C / 8°C
Feels Like
17°C / 6°C
Rain
10days (113 mm) Wet
Sun
6.7h Fair
Humidity
75% Muggy
UV
4.6 Moderate
March
Good
Temp
21°C / 10°C
Feels Like
21°C / 9°C
Rain
11days (114 mm) Wet
Sun
8.3h Good
Humidity
72% Muggy
UV
5.8 High
April best
Excellent
Temp
24°C / 13°C
Feels Like
25°C / 12°C
Rain
8days (109 mm) Wet
Sun
9.9h Good
Humidity
69% Muggy
UV
7.4 Very High
May best
Excellent
Temp
29°C / 18°C
Feels Like
31°C / 19°C
Rain
11days (118 mm) Wet
Sun
10.8h Excellent
Humidity
71% Muggy
UV
7.6 Very High
June
Fair
Temp
31°C / 22°C
Feels Like
36°C / 25°C
Rain
12days (108 mm) Wet
Sun
11.1h Excellent
Humidity
73% Muggy
UV
8.3 Very High
July
Poor
Temp
33°C / 24°C
Feels Like
38°C / 28°C
Rain
14days (88 mm) Wet
Sun
11.6h Excellent
Humidity
74% Muggy
UV
8.2 Very High
August
Poor
Temp
33°C / 24°C
Feels Like
37°C / 28°C
Rain
14days (82 mm) Wet
Sun
10.7h Excellent
Humidity
72% Muggy
UV
7.8 Very High
September best
Excellent
Temp
31°C / 21°C
Feels Like
34°C / 24°C
Rain
7days (72 mm) Good
Sun
10h Excellent
Humidity
67% Muggy
UV
6.7 High
October best
Excellent
Temp
26°C / 16°C
Feels Like
27°C / 16°C
Rain
5days (69 mm) Good
Sun
8.9h Good
Humidity
66% Muggy
UV
5.5 High
November
Good
Temp
20°C / 10°C
Feels Like
19°C / 8°C
Rain
7days (79 mm) Good
Sun
7.5h Good
Humidity
71% Muggy
UV
4.1 Moderate
December
Fair
Temp
16°C / 7°C
Feels Like
14°C / 5°C
Rain
10days (115 mm) Wet
Sun
5.9h Fair
Humidity
77% Humid
UV
3.4 Moderate
Month Temp Feels Like Rain Sun Humidity UV Status Details
January 14°C / 5°C 12°C / 2°C 11days (137 mm) Wet 6.7h Fair 74% Muggy 3.6 Moderate Fair View Details
February 18°C / 8°C 17°C / 6°C 10days (113 mm) Wet 6.7h Fair 75% Muggy 4.6 Moderate Good View Details
March 21°C / 10°C 21°C / 9°C 11days (114 mm) Wet 8.3h Good 72% Muggy 5.8 High Good View Details
April best 24°C / 13°C 25°C / 12°C 8days (109 mm) Wet 9.9h Good 69% Muggy 7.4 Very High Excellent View Details
May best 29°C / 18°C 31°C / 19°C 11days (118 mm) Wet 10.8h Excellent 71% Muggy 7.6 Very High Excellent View Details
June 31°C / 22°C 36°C / 25°C 12days (108 mm) Wet 11.1h Excellent 73% Muggy 8.3 Very High Fair View Details
July 33°C / 24°C 38°C / 28°C 14days (88 mm) Wet 11.6h Excellent 74% Muggy 8.2 Very High Poor View Details
August 33°C / 24°C 37°C / 28°C 14days (82 mm) Wet 10.7h Excellent 72% Muggy 7.8 Very High Poor View Details
September best 31°C / 21°C 34°C / 24°C 7days (72 mm) Good 10h Excellent 67% Muggy 6.7 High Excellent View Details
October best 26°C / 16°C 27°C / 16°C 5days (69 mm) Good 8.9h Good 66% Muggy 5.5 High Excellent View Details
November 20°C / 10°C 19°C / 8°C 7days (79 mm) Good 7.5h Good 71% Muggy 4.1 Moderate Good View Details
December 16°C / 7°C 14°C / 5°C 10days (115 mm) Wet 5.9h Fair 77% Humid 3.4 Moderate Fair View Details

What to Wear

Bundle up with a warm coat, scarf, and closed-toe shoes. Thermal layers underneath give flexibility between indoors and outdoors.

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

Packing List

Layered clothingLight jacketUmbrellaWaterproof jacketComfortable walking shoes

Frequently Asked Questions

December is typically fair for visiting Millbrook, with average highs of 16°C (60°F) and around 10 rainy days. Millbrook, United States in December has mild conditions, with highs averaging 15.8°C (60°F) and noticeably cooler morni
Millbrook typically sees around 10 rainy days in December with 115 mm (4.5 in) of total rainfall. An umbrella should suffice.
Nights in Millbrook during December are cool at around 7°C (45°F). Bring a jacket or sweater for evenings.
With highs of 16°C (60°F) and lows of 7°C (45°F) in December, we recommend: Layered clothing, Light jacket, Umbrella, Waterproof jacket, Comfortable walking shoes. Comfortable walking shoes are essential.
December is not the most favourable month weather-wise in Millbrook. Consider visiting during months with milder temperatures or less rainfall for a better experience.
The average UV index in Millbrook during December is 3 (moderate). Sunscreen and sunglasses are recommended during midday hours.
Millbrook gets approximately 10 hours of daylight per day in December, with around 6 hours of sunshine.
Snow is uncommon in Millbrook during December based on 10-year climate averages.

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