Jenison, United States experiences average highs of 14°C (57°F) and lows of 6°C (43°F) throughout the year. Rainfall is moderate, averaging about 11 rainy days per month. Average highs have stayed broadly stable across the available records.
Jenison, United States Weather & Climate 2026
Monthly climate averages for Jenison, United States. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: Apr–Oct At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
5.1/10
Best: June, July, August, September
UV Index
5
Low
Temperature 14°C / 6°C
Feels Like 13°C / 4°C
Rainy Days 11
Rainfall 80 mm
Sunshine 8 h
Humidity 71%
Wind Speed 18 km/h
Dew Point 5°C
Snow Days 8 days
Frost Days 18 days
Hottest Month
27°C
July
Avg Low19°C
Rain10days
Coldest Month
-6°C
January
Avg High0°C
Rain11days
Driest Month
9days
February
Avg High2°C
Avg Low-6°C
Windiest Month
21 km/h
February (Gusts 43)
Worst Time to Visit
Consider avoiding January, February, March, December due to very cold temperatures, frequent rain.
Sun Position
Sunrise 06:05
Daylight 15.3h
Sunset 21:25
Live conditions—
Jenison on the map · live conditions
Jenison, United States
- Continent
- Americas
- Country
- United States
- City
- Jenison
- Population
- 16.5K
- Elevation
- 184 m
- Coordinates
- 42.91°, -85.79°
Seasonal Breakdown
Spring
Mar–May
Avg High 14°C
Avg Low 4°C
Rain 12 days/mo
Summer
Jun–Aug
Avg High 27°C
Avg Low 18°C
Rain 10 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 16°C
Avg Low 9°C
Rain 10 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 2°C
Avg Low -5°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: 0°C / -6°C . Feb: 2°C / -6°C . Mar: 8°C / -1°C . Apr: 13°C / 4°C . May: 20°C / 10°C . Jun: 26°C / 16°C . Jul: 27°C / 19°C . Aug: 27°C / 18°C . Sep: 24°C / 15°C . Oct: 16°C / 9°C . Nov: 8°C / 2°C . Dec: 3°C / -3°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 62 mm. Feb: 55 mm. Mar: 87 mm. Apr: 94 mm. May: 109 mm. Jun: 95 mm. Jul: 76 mm. Aug: 87 mm. Sep: 77 mm. Oct: 101 mm. Nov: 58 mm. Dec: 63 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 77%. Feb: 73%. Mar: 68%. Apr: 67%. May: 69%. Jun: 68%. Jul: 71%. Aug: 71%. Sep: 71%. Oct: 72%. Nov: 73%. Dec: 76%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 19 km/h . Feb: 21 km/h . Mar: 21 km/h . Apr: 20 km/h . May: 18 km/h . Jun: 17 km/h . Jul: 16 km/h . Aug: 15 km/h . Sep: 16 km/h . Oct: 19 km/h . Nov: 20 km/h . Dec: 20 km/h .
Sunshine
Sunshine
Sunshine: Jan: 4h. Feb: 6h. Mar: 8h. Apr: 9h. May: 11h. Jun: 12h. Jul: 12h. Aug: 11h. Sep: 9h. Oct: 7h. Nov: 5h. Dec: 4h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 3. Mar: UV 4. Apr: UV 5. May: UV 7. 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: 16 days. Feb: 11 days. Mar: 7 days. Apr: 4 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 1 days. Nov: 6 days. Dec: 13 days.
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall is trending drier by about 12 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 28°C | Jul · 27°C |
| Coldest month | Jan 2025 · -8°C | Jan · -6°C |
| Wettest month | Jun 2025 · 106 mm | May · 109 mm |
| Windiest month | Mar 2025 · 23 km/h | Feb · 21 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Fair 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 | 0°C / -6°C | -4°C / -11°C | 11days (62 mm) Wet | 4h Fair | 77% Humid | 2 Low | Poor | View Details |
| February | 2°C / -6°C | -2°C / -11°C | 9days (55 mm) Wet | 6.3h Fair | 73% Muggy | 3.1 Moderate | Poor | View Details |
| March | 8°C / -1°C | 4°C / -5°C | 11days (87 mm) Wet | 7.8h Good | 68% Muggy | 4.2 Moderate | Poor | View Details |
| April | 13°C / 4°C | 11°C / 0°C | 12days (94 mm) Wet | 9h Good | 67% Muggy | 5.4 High | Fair | View Details |
| May | 20°C / 10°C | 19°C / 8°C | 13days (109 mm) Wet | 10.5h Excellent | 69% Muggy | 6.5 High | Good | View Details |
| June best | 26°C / 16°C | 27°C / 16°C | 11days (95 mm) Wet | 11.9h Excellent | 68% Muggy | 6.9 High | Excellent | View Details |
| July best | 27°C / 19°C | 30°C / 20°C | 10days (76 mm) Wet | 12.2h Excellent | 71% Muggy | 7 High | Excellent | View Details |
| August best | 27°C / 18°C | 28°C / 19°C | 10days (87 mm) Wet | 11.4h Excellent | 71% Muggy | 6.3 High | Excellent | View Details |
| September best | 24°C / 15°C | 24°C / 14°C | 9days (77 mm) Wet | 9.4h Good | 71% Muggy | 5.1 High | Excellent | View Details |
| October | 16°C / 9°C | 14°C / 6°C | 12days (101 mm) Wet | 7h Good | 72% Muggy | 3.5 Moderate | Good | View Details |
| November | 8°C / 2°C | 5°C / -2°C | 9days (58 mm) Wet | 5.4h Fair | 73% Muggy | 2.3 Moderate | Poor | View Details |
| December | 3°C / -3°C | -1°C / -7°C | 11days (63 mm) Wet | 3.8h Poor | 76% Humid | 1.7 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Jenison are June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Jenison, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Jenison is July, with average daytime highs of 27°C (81°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Jenison is January, with average overnight lows of -6°C (22°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Jenison is May, averaging 109mm of precipitation across 13 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Jenison runs through May, April, October, January, with the heaviest rainfall in May. Based on 10-year averages for Jenison.
Jenison receives approximately 99 sunshine hours per year. The sunniest month is July with around 12 hours. Based on climate data for Jenison.
The least favorable months to visit Jenison 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 Jenison is 5, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Jenison is 71%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Jenison receives snow. Months with snowfall average 8 snow days and 13 cm (5 in) of accumulation, with about 18 frost days during winter.
Average wind speeds in Jenison are 18 km/h (11 mph). The windiest month is February with peak winds reaching 21 km/h (13 mph) (gusts up to 43 km/h / 27 mph).
Jenison 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 Jenison is 5°C (41°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Jenison 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 Jenison ranges from 4°C (39°F) to 13°C (55°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 Jenison. It earns a climate score of 8.4/10 with Excellent.
For June in Jenison, pack Umbrella, Waterproof jacket, Breathable clothing, Sunscreen (SPF 30+), Sun hat. With average highs of 26°C (78°F) and 11 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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