Millbrook, United States experiences average highs of 25°C (77°F) and lows of 15°C (59°F) throughout the year. Rainfall is moderate, averaging about 10 rainy days per month. Sunshine is abundant, averaging about 9 hours per day. Average highs have stayed broadly stable across the available records.
Millbrook, United States Weather & Climate 2026
Monthly climate averages for Millbrook, United States. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Feb–Dec 
Wetter season: Jan–Aug At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
6.4/10
Best: April, May, September, October
UV Index
6
High
Temperature 25°C / 15°C
Feels Like 26°C / 15°C
Rainy Days 10
Rainfall 100 mm
Sunshine 9 h
Humidity 72%
Wind Speed 14 km/h
Dew Point 15°C
Snow Days 1 days
Frost Days 3 days
Hottest Month
33°C
July
Avg Low24°C
Rain14days
Coldest Month
5°C
January
Avg High14°C
Rain11days
Driest Month
5days
October
Avg High26°C
Avg Low16°C
Windiest Month
17 km/h
March (Gusts 38)
Worst Time to Visit
Consider avoiding July, August due to extreme heat, frequent rain, oppressive humidity.
Sun Position
Sunrise 05:39
Daylight 14.3h
Sunset 19:55
Live conditions—
Millbrook on the map · live conditions
Millbrook, United States
- Continent
- Americas
- Country
- United States
- City
- Millbrook
- Population
- 15.3K
- Elevation
- 58 m
- Coordinates
- 32.48°, -86.36°
Seasonal Breakdown
Spring
Mar–May
Avg High 25°C
Avg Low 14°C
Rain 10 days/mo
2/3 best months
Summer
Jun–Aug
Avg High 32°C
Avg Low 23°C
Rain 13 days/mo
Autumn
Sep–Nov
Avg High 26°C
Avg Low 16°C
Rain 6 days/mo
2/3 best months
Winter
Dec–Feb
Avg High 16°C
Avg Low 7°C
Rain 10 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 14°C / 5°C . Feb: 18°C / 8°C . Mar: 21°C / 10°C . Apr: 24°C / 13°C . May: 29°C / 18°C . Jun: 31°C / 22°C . Jul: 33°C / 24°C . Aug: 33°C / 24°C . Sep: 31°C / 21°C . Oct: 26°C / 16°C . Nov: 20°C / 10°C . Dec: 16°C / 7°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 137 mm. Feb: 113 mm. Mar: 114 mm. Apr: 109 mm. May: 118 mm. Jun: 108 mm. Jul: 88 mm. Aug: 82 mm. Sep: 72 mm. Oct: 69 mm. Nov: 79 mm. Dec: 115 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 74%. Feb: 75%. Mar: 72%. Apr: 69%. May: 71%. Jun: 73%. Jul: 74%. Aug: 72%. Sep: 67%. Oct: 66%. Nov: 71%. Dec: 77%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 16 km/h . Feb: 17 km/h . Mar: 17 km/h . Apr: 16 km/h . May: 14 km/h . Jun: 13 km/h . Jul: 12 km/h . Aug: 12 km/h . Sep: 12 km/h . Oct: 14 km/h . Nov: 14 km/h . Dec: 15 km/h .
Sunshine
Sunshine
Sunshine: Jan: 7h. Feb: 7h. Mar: 8h. Apr: 10h. May: 11h. Jun: 11h. Jul: 12h. Aug: 11h. Sep: 10h. Oct: 9h. Nov: 8h. Dec: 6h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 4. Feb: UV 5. Mar: UV 6. Apr: UV 7. May: UV 8. Jun: UV 8. Jul: UV 8. Aug: UV 8. Sep: UV 7. Oct: UV 6. Nov: UV 4. Dec: UV 3.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 1 days. Feb: 0 days. Mar: 0 days. Apr: 0 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 0 days. Dec: 0 days.
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall is trending wetter by about 14 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 34°C | Jul · 33°C |
| Coldest month | Jan 2025 · 1°C | Jan · 5°C |
| Wettest month | May 2025 · 277 mm | Jan · 137 mm |
| Windiest month | Mar 2025 · 19 km/h | Mar · 17 km/h |
Month-by-Month Weather Table
January
Fair 
February
Good March
Good April best
Excellent May best
Excellent June
Fair July
Poor August
Poor September best
Excellent October best
Excellent November
Good December
Fair | 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 |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Millbrook are April, May, September, October, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Millbrook, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Millbrook is July, with average daytime highs of 33°C (92°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Millbrook is January, with average overnight lows of 5°C (40°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Millbrook is January, averaging 137mm of precipitation across 11 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Millbrook runs through July, August, June, January, with the heaviest rainfall in July. Based on 10-year averages for Millbrook.
Millbrook receives approximately 108 sunshine hours per year. The sunniest month is July with around 12 hours. Based on climate data for Millbrook.
The least favorable months to visit Millbrook are July, August, primarily due to extreme heat, frequent rain, oppressive humidity. For the best conditions, consider April, May, September, October instead.
The annual average UV index in Millbrook is 6, classified as high. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Millbrook is 72%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Millbrook receives snow. Months with snowfall average 1 snow days and 1 cm (0 in) of accumulation, with about 3 frost days during winter.
Average wind speeds in Millbrook are 14 km/h (9 mph). The windiest month is March with peak winds reaching 17 km/h (11 mph) (gusts up to 38 km/h / 24 mph).
Millbrook averages 6 clear-sky days per month with overall cloud cover around 54%. The clearest skies occur in October.
The annual average dew point in Millbrook is 15°C (59°F), which feels pleasant with low humidity. Outdoor activities are comfortable year-round from a humidity standpoint.
Millbrook has a Humid Subtropical climate, classified as Cfa under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Millbrook ranges from 15°C (59°F) to 26°C (79°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
June is not the best time to visit Millbrook, with a climate score of 4.6/10. Consider visiting during April, May, September, October instead for better conditions.
For June in Millbrook, pack Umbrella, Waterproof jacket, Breathable clothing, Sunscreen (SPF 30+), Sun hat. With average highs of 31°C (89°F) and 12 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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