Mentor, United States experiences average highs of 14°C (57°F) and lows of 9°C (48°F) throughout the year. Rainfall is frequent, averaging about 13 rainy days per month. Average highs have cooled by 0.7°C (1.3°F) across the available records.
Mentor, United States Weather & Climate 2026
Monthly climate averages for Mentor, United States. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Feb–Oct 
Wetter season: Jan–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
4.8/10
Best: June, July, August, September
UV Index
5
Low
Temperature 14°C / 9°C
Feels Like 12°C / 5°C
Rainy Days 13
Rainfall 103 mm
Sunshine 8 h
Humidity 75%
Wind Speed 25 km/h
Dew Point 7°C
Snow Days 9 days
Frost Days 13 days
Hottest Month
26°C
July
Avg Low21°C
Rain12days
Coldest Month
-3°C
January
Avg High2°C
Rain16days
Driest Month
8days
September
Avg High23°C
Avg Low17°C
Windiest Month
30 km/h
December (Gusts 48)
Worst Time to Visit
Consider avoiding January, February, March, December due to very cold temperatures, frequent rain.
Sun Position
Sunrise 05:52
Daylight 15.2h
Sunset 21:03
Live conditions—
Mentor on the map · live conditions
Mentor, United States
- Continent
- Americas
- Country
- United States
- City
- Mentor
- Population
- 46.9K
- Elevation
- 211 m
- Coordinates
- 41.67°, -81.34°
Seasonal Breakdown
Spring
Mar–May
Avg High 12°C
Avg Low 6°C
Rain 13 days/mo
Summer
Jun–Aug
Avg High 25°C
Avg Low 19°C
Rain 11 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 16°C
Avg Low 11°C
Rain 12 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 3°C
Avg Low -2°C
Rain 15 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: 2°C / -3°C . Feb: 4°C / -3°C . Mar: 7°C / 1°C . Apr: 12°C / 5°C . May: 18°C / 12°C . Jun: 23°C / 17°C . Jul: 26°C / 21°C . Aug: 25°C / 20°C . Sep: 23°C / 17°C . Oct: 17°C / 12°C . Nov: 9°C / 5°C . Dec: 4°C / 0°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 108 mm. Feb: 92 mm. Mar: 101 mm. Apr: 109 mm. May: 103 mm. Jun: 91 mm. Jul: 104 mm. Aug: 92 mm. Sep: 80 mm. Oct: 122 mm. Nov: 115 mm. Dec: 117 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 76%. Feb: 75%. Mar: 73%. Apr: 74%. May: 78%. Jun: 76%. Jul: 78%. Aug: 77%. Sep: 76%. Oct: 73%. Nov: 72%. Dec: 76%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 30 km/h . Feb: 30 km/h . Mar: 28 km/h . Apr: 26 km/h . May: 23 km/h . Jun: 21 km/h . Jul: 19 km/h . Aug: 20 km/h . Sep: 21 km/h . Oct: 26 km/h . Nov: 30 km/h . Dec: 30 km/h .
Sunshine
Sunshine
Sunshine: Jan: 4h. Feb: 6h. Mar: 8h. Apr: 9h. May: 10h. Jun: 12h. Jul: 12h. Aug: 11h. Sep: 10h. Oct: 7h. Nov: 6h. Dec: 4h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 3. Mar: UV 4. Apr: UV 6. May: UV 6. Jun: UV 7. Jul: UV 7. Aug: UV 6. Sep: UV 5. Oct: UV 4. Nov: UV 2. 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: 17 days. Feb: 13 days. Mar: 8 days. Apr: 4 days. May: 1 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 5 days. Dec: 12 days.
Climate Trends
Average highs have cooled by 0.7°C (1.3°F) across the available records. Average rainfall has remained broadly steady.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 27°C | Jul · 26°C |
| Coldest month | Jan 2025 · -6°C | Jan · -3°C |
| Wettest month | May 2025 · 151 mm | Oct · 122 mm |
| Windiest month | Dec 2025 · 33 km/h | Dec · 30 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Poor May
Good June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Good November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 2°C / -3°C | -4°C / -10°C | 16days (108 mm) Wet | 4.1h Fair | 76% Humid | 1.9 Low | Poor | View Details |
| February | 4°C / -3°C | -2°C / -9°C | 13days (92 mm) Wet | 6h Fair | 75% Muggy | 3.1 Moderate | Poor | View Details |
| March | 7°C / 1°C | 3°C / -5°C | 13days (101 mm) Wet | 7.7h Good | 73% Muggy | 4.3 Moderate | Poor | View Details |
| April | 12°C / 5°C | 9°C / 1°C | 14days (109 mm) Wet | 9.2h Good | 74% Muggy | 5.5 High | Poor | View Details |
| May | 18°C / 12°C | 17°C / 9°C | 12days (103 mm) Wet | 10.4h Excellent | 78% Humid | 6.2 High | Good | View Details |
| June best | 23°C / 17°C | 25°C / 17°C | 10days (91 mm) Wet | 11.9h Excellent | 76% Humid | 6.8 High | Excellent | View Details |
| July best | 26°C / 21°C | 29°C / 22°C | 12days (104 mm) Wet | 11.9h Excellent | 78% Humid | 7.1 Very High | Excellent | View Details |
| August best | 25°C / 20°C | 27°C / 21°C | 11days (92 mm) Wet | 11.4h Excellent | 77% Humid | 6.4 High | Excellent | View Details |
| September best | 23°C / 17°C | 23°C / 17°C | 8days (80 mm) Wet | 9.6h Good | 76% Humid | 5.2 High | Excellent | View Details |
| October | 17°C / 12°C | 15°C / 8°C | 13days (122 mm) Wet | 7.4h Good | 73% Muggy | 3.7 Moderate | Good | View Details |
| November | 9°C / 5°C | 5°C / -1°C | 14days (115 mm) Wet | 5.5h Fair | 72% Muggy | 2.2 Moderate | Poor | View Details |
| December | 4°C / 0°C | -1°C / -6°C | 16days (117 mm) Wet | 4h Fair | 76% Humid | 1.7 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Mentor are June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Mentor, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Mentor is July, with average daytime highs of 26°C (79°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Mentor is January, with average overnight lows of -3°C (26°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Mentor is October, averaging 122mm of precipitation across 13 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Mentor runs through January, December, April, November, with the heaviest rainfall in January. Based on 10-year averages for Mentor.
Mentor receives approximately 99 sunshine hours per year. The sunniest month is June with around 12 hours. Based on climate data for Mentor.
The least favorable months to visit Mentor are January, February, March, December, primarily due to very cold temperatures, frequent rain. For the best conditions, consider June, July, August, September instead.
The annual average UV index in Mentor is 5, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Mentor is 75%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Mentor receives snow. Months with snowfall average 9 snow days and 16 cm (6 in) of accumulation, with about 13 frost days during winter.
Average wind speeds in Mentor are 25 km/h (16 mph). The windiest month is December with peak winds reaching 30 km/h (19 mph) (gusts up to 48 km/h / 30 mph).
Mentor averages 4 clear-sky days per month with overall cloud cover around 64%. The clearest skies occur in September.
The annual average dew point in Mentor is 7°C (45°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Mentor 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 Mentor ranges from 5°C (41°F) to 12°C (54°F) on average. Wind chill makes winters feel noticeably colder than the actual temperature — layered clothing is recommended.
Yes, June is a great time to visit Mentor. It earns a climate score of 8.7/10 with Excellent.
For June in Mentor, pack Umbrella, Waterproof jacket, Sunscreen (SPF 30+), Sunglasses, Comfortable walking shoes. With average highs of 23°C (74°F) and 10 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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