Fairborn, United States experiences average highs of 17°C (63°F) and lows of 8°C (46°F) throughout the year. Rainfall is moderate, averaging about 11 rainy days per month. Average highs have cooled by 0.9°C (1.6°F) across the available records.
Fairborn, United States Weather & Climate 2026
Monthly climate averages for Fairborn, United States. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: Mar–Jun At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
5.5/10
Best: May, June, July, August, September
UV Index
5
Low
Temperature 17°C / 8°C
Feels Like 16°C / 6°C
Rainy Days 11
Rainfall 90 mm
Sunshine 8 h
Humidity 70%
Wind Speed 18 km/h
Dew Point 8°C
Snow Days 4 days
Frost Days 15 days
Hottest Month
29°C
July
Avg Low20°C
Rain11days
Coldest Month
-4°C
January
Avg High3°C
Rain10days
Driest Month
7days
September
Avg High26°C
Avg Low16°C
Windiest Month
21 km/h
March (Gusts 46)
Worst Time to Visit
Consider avoiding January, February, December due to very cold temperatures, frequent rain.
Sun Position
Sunrise 06:09
Daylight 15h
Sunset 21:07
Live conditions—
Fairborn on the map · live conditions
Fairborn, United States
- Continent
- Americas
- Country
- United States
- City
- Fairborn
- Population
- 33.5K
- Elevation
- 255 m
- Coordinates
- 39.82°, -84.02°
Seasonal Breakdown
Spring
Mar–May
Avg High 17°C
Avg Low 7°C
Rain 13 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 28°C
Avg Low 19°C
Rain 11 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 19°C
Avg Low 10°C
Rain 8 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 5°C
Avg Low -3°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: 3°C / -4°C . Feb: 7°C / -2°C . Mar: 12°C / 2°C . Apr: 17°C / 7°C . May: 22°C / 13°C . Jun: 27°C / 18°C . Jul: 29°C / 20°C . Aug: 28°C / 19°C . Sep: 26°C / 16°C . Oct: 19°C / 10°C . Nov: 11°C / 3°C . Dec: 6°C / -1°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 81 mm. Feb: 96 mm. Mar: 107 mm. Apr: 107 mm. May: 111 mm. Jun: 102 mm. Jul: 96 mm. Aug: 70 mm. Sep: 71 mm. Oct: 72 mm. Nov: 77 mm. Dec: 86 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 72%. Feb: 70%. Mar: 66%. Apr: 67%. May: 72%. Jun: 70%. Jul: 73%. Aug: 72%. Sep: 68%. Oct: 68%. Nov: 70%. Dec: 73%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 20 km/h . Feb: 21 km/h . Mar: 21 km/h . Apr: 21 km/h . May: 18 km/h . Jun: 16 km/h . Jul: 14 km/h . Aug: 14 km/h . Sep: 15 km/h . Oct: 18 km/h . Nov: 19 km/h . Dec: 19 km/h .
Sunshine
Sunshine
Sunshine: Jan: 5h. Feb: 6h. Mar: 8h. Apr: 9h. May: 10h. Jun: 12h. Jul: 12h. Aug: 11h. Sep: 10h. Oct: 8h. Nov: 6h. Dec: 5h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 4. Mar: UV 5. Apr: UV 6. May: UV 7. Jun: UV 7. Jul: UV 7. Aug: UV 7. Sep: UV 6. Oct: UV 4. Nov: UV 3. Dec: UV 2.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 8 days. Feb: 6 days. Mar: 3 days. Apr: 1 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 2 days. Dec: 5 days.
Climate Trends
Average highs have cooled by 0.9°C (1.6°F) across the available records. Average rainfall is trending wetter by about 9 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 30°C | Jul · 29°C |
| Coldest month | Jan 2025 · -9°C | Jan · -4°C |
| Wettest month | Jun 2025 · 150 mm | May · 111 mm |
| Windiest month | Mar 2025 · 23 km/h | Mar · 21 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Fair May best
Excellent June best
Excellent July best
Good August best
Excellent September best
Excellent October
Good November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 3°C / -4°C | -1°C / -9°C | 10days (81 mm) Wet | 5h Fair | 72% Muggy | 2.4 Moderate | Poor | View Details |
| February | 7°C / -2°C | 3°C / -7°C | 11days (96 mm) Wet | 6.3h Fair | 70% Muggy | 3.5 Moderate | Poor | View Details |
| March | 12°C / 2°C | 9°C / -2°C | 12days (107 mm) Wet | 7.5h Good | 66% Muggy | 4.7 Moderate | Poor | View Details |
| April | 17°C / 7°C | 15°C / 3°C | 12days (107 mm) Wet | 8.8h Good | 67% Muggy | 5.9 High | Fair | View Details |
| May best | 22°C / 13°C | 22°C / 12°C | 14days (111 mm) Wet | 9.7h Good | 72% Muggy | 6.5 High | Excellent | View Details |
| June best | 27°C / 18°C | 29°C / 18°C | 12days (102 mm) Wet | 11.5h Excellent | 70% Muggy | 6.9 High | Excellent | View Details |
| July best | 29°C / 20°C | 32°C / 22°C | 11days (96 mm) Wet | 11.7h Excellent | 73% Muggy | 7.2 Very High | Good | View Details |
| August best | 28°C / 19°C | 30°C / 21°C | 11days (70 mm) Wet | 11.1h Excellent | 72% Muggy | 6.7 High | Excellent | View Details |
| September best | 26°C / 16°C | 27°C / 16°C | 7days (71 mm) Good | 9.6h Good | 68% Muggy | 5.6 High | Excellent | View Details |
| October | 19°C / 10°C | 18°C / 8°C | 9days (72 mm) Wet | 7.9h Good | 68% Muggy | 4.1 Moderate | Good | View Details |
| November | 11°C / 3°C | 8°C / -1°C | 8days (77 mm) Wet | 6.2h Fair | 70% Muggy | 2.7 Moderate | Poor | View Details |
| December | 6°C / -1°C | 2°C / -6°C | 10days (86 mm) Wet | 4.9h Fair | 73% Muggy | 2.1 Moderate | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Fairborn are May, June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Fairborn, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Fairborn is July, with average daytime highs of 29°C (84°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Fairborn is January, with average overnight lows of -4°C (24°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Fairborn is May, averaging 111mm of precipitation across 14 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Fairborn runs through May, March, April, June, with the heaviest rainfall in May. Based on 10-year averages for Fairborn.
Fairborn receives approximately 100 sunshine hours per year. The sunniest month is July with around 12 hours. Based on climate data for Fairborn.
The least favorable months to visit Fairborn are January, February, December, primarily due to very cold temperatures, frequent rain. For the best conditions, consider May, June, July, August, September instead.
The annual average UV index in Fairborn is 5, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Fairborn is 70%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Fairborn receives snow. Months with snowfall average 4 snow days and 7 cm (3 in) of accumulation, with about 15 frost days during winter.
Average wind speeds in Fairborn are 18 km/h (11 mph). The windiest month is March with peak winds reaching 21 km/h (13 mph) (gusts up to 46 km/h / 29 mph).
Fairborn averages 4 clear-sky days per month with overall cloud cover around 61%. The clearest skies occur in October.
The annual average dew point in Fairborn is 8°C (46°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Fairborn 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 Fairborn ranges from 6°C (43°F) to 16°C (61°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
Yes, June is a great time to visit Fairborn. It earns a climate score of 8.4/10 with Excellent.
For June in Fairborn, pack Umbrella, Waterproof jacket, Breathable clothing, Sunscreen (SPF 30+), Sun hat. With average highs of 27°C (81°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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