Pierre, United States experiences average highs of 16°C (61°F) and lows of 5°C (41°F) throughout the year. The climate is relatively dry, with only 6 rainy days per month on average. Sunshine is abundant, averaging about 9 hours per day. Average highs have stayed broadly stable across the available records.
Pierre, United States Weather & Climate 2026
Monthly climate averages for Pierre, United States. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: Mar–Aug At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
5.5/10
Best: June, July, August, September
UV Index
5
Low
Temperature 16°C / 5°C
Feels Like 13°C / 2°C
Rainy Days 6
Rainfall 43 mm
Sunshine 9 h
Humidity 64%
Wind Speed 24 km/h
Dew Point 4°C
Snow Days 5 days
Frost Days 19 days
Hottest Month
32°C
July
Avg Low21°C
Rain9days
Coldest Month
-10°C
January
Avg High-1°C
Rain4days
Driest Month
3days
November
Avg High9°C
Avg Low0°C
Windiest Month
28 km/h
April (Gusts 48)
Worst Time to Visit
Consider avoiding January, February, March, December due to very cold temperatures.
Sun Position
Sunrise 05:58
Daylight 15.5h
Sunset 21:29
Live conditions—
Pierre on the map · live conditions
Pierre, United States
- Continent
- Americas
- Country
- United States
- City
- Pierre
- Population
- 14.1K
- Elevation
- 451 m
- Coordinates
- 44.37°, -100.35°
Seasonal Breakdown
Spring
Mar–May
Avg High 15°C
Avg Low 3°C
Rain 8 days/mo
Summer
Jun–Aug
Avg High 31°C
Avg Low 19°C
Rain 8 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 18°C
Avg Low 7°C
Rain 4 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 1°C
Avg Low -9°C
Rain 4 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: -1°C / -10°C . Feb: 2°C / -9°C . Mar: 9°C / -3°C . Apr: 15°C / 3°C . May: 22°C / 11°C . Jun: 30°C / 18°C . Jul: 32°C / 21°C . Aug: 31°C / 19°C . Sep: 27°C / 15°C . Oct: 17°C / 7°C . Nov: 9°C / 0°C . Dec: 2°C / -7°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 12 mm. Feb: 17 mm. Mar: 31 mm. Apr: 69 mm. May: 77 mm. Jun: 61 mm. Jul: 68 mm. Aug: 52 mm. Sep: 50 mm. Oct: 37 mm. Nov: 17 mm. Dec: 29 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 74%. Feb: 65%. Mar: 66%. Apr: 63%. May: 62%. Jun: 58%. Jul: 60%. Aug: 62%. Sep: 60%. Oct: 61%. Nov: 65%. Dec: 70%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 23 km/h . Feb: 23 km/h . Mar: 25 km/h . Apr: 28 km/h . May: 25 km/h . Jun: 25 km/h . Jul: 23 km/h . Aug: 23 km/h . Sep: 24 km/h . Oct: 26 km/h . Nov: 23 km/h . Dec: 25 km/h .
Sunshine
Sunshine
Sunshine: Jan: 6h. Feb: 8h. Mar: 9h. Apr: 10h. May: 11h. Jun: 13h. Jul: 13h. Aug: 12h. Sep: 10h. Oct: 8h. Nov: 7h. Dec: 6h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 3. Feb: UV 3. Mar: UV 5. Apr: UV 6. May: UV 6. Jun: UV 7. Jul: UV 8. 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: 7 days. Feb: 7 days. Mar: 7 days. Apr: 3 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 2 days. Nov: 4 days. Dec: 8 days.
Climate Trends
Average highs have stayed broadly stable 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 · 32°C | Jul · 32°C |
| Coldest month | Jan 2025 · -11°C | Jan · -10°C |
| Wettest month | May 2025 · 108 mm | May · 77 mm |
| Windiest month | Apr 2025 · 28 km/h | Apr · 28 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 | -1°C / -10°C | -6°C / -16°C | 4days (12 mm) Good | 6.4h Fair | 74% Muggy | 2.6 Moderate | Poor | View Details |
| February | 2°C / -9°C | -3°C / -15°C | 4days (17 mm) Good | 7.9h Good | 65% Muggy | 3.4 Moderate | Poor | View Details |
| March | 9°C / -3°C | 4°C / -8°C | 6days (31 mm) Good | 8.9h Good | 66% Muggy | 4.7 Moderate | Poor | View Details |
| April | 15°C / 3°C | 11°C / -2°C | 8days (69 mm) Wet | 9.6h Good | 63% Muggy | 5.6 High | Fair | View Details |
| May | 22°C / 11°C | 20°C / 8°C | 10days (77 mm) Wet | 10.9h Excellent | 62% Muggy | 6.4 High | Good | View Details |
| June best | 30°C / 18°C | 29°C / 17°C | 7days (61 mm) Good | 12.8h Excellent | 58% Moderate | 7.3 Very High | Excellent | View Details |
| July best | 32°C / 21°C | 33°C / 21°C | 9days (68 mm) Wet | 13.1h Excellent | 60% Moderate | 7.6 Very High | Excellent | View Details |
| August best | 31°C / 19°C | 31°C / 20°C | 8days (52 mm) Wet | 11.9h Excellent | 62% Muggy | 6.8 High | Excellent | View Details |
| September best | 27°C / 15°C | 26°C / 14°C | 5days (50 mm) Good | 10.1h Excellent | 60% Moderate | 5.6 High | Excellent | View Details |
| October | 17°C / 7°C | 13°C / 3°C | 5days (37 mm) Good | 8.3h Good | 61% Muggy | 4 Moderate | Good | View Details |
| November | 9°C / 0°C | 5°C / -5°C | 3days (17 mm) Excellent | 7.1h Good | 65% Muggy | 2.6 Moderate | Poor | View Details |
| December | 2°C / -7°C | -3°C / -12°C | 5days (29 mm) Good | 6.1h Fair | 70% Muggy | 2 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Pierre are June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Pierre, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Pierre is July, with average daytime highs of 32°C (90°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Pierre is January, with average overnight lows of -10°C (13°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Pierre is May, averaging 77mm of precipitation across 10 rainy days. An umbrella or waterproof jacket is essential.
Pierre receives approximately 113 sunshine hours per year. The sunniest month is July with around 13 hours. Based on climate data for Pierre.
The least favorable months to visit Pierre are January, February, March, December, primarily due to very cold temperatures. For the best conditions, consider June, July, August, September instead.
The annual average UV index in Pierre is 5, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Pierre is 64%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Pierre receives snow. Months with snowfall average 5 snow days and 11 cm (4 in) of accumulation, with about 19 frost days during winter.
Average wind speeds in Pierre are 24 km/h (15 mph). The windiest month is April with peak winds reaching 28 km/h (17 mph) (gusts up to 48 km/h / 30 mph).
Pierre averages 7 clear-sky days per month with overall cloud cover around 49%. The clearest skies occur in September.
The annual average dew point in Pierre is 4°C (39°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Pierre has a Hot-Summer Continental climate, classified as Dfa under the Köppen system. Continental climates experience extreme temperature ranges — hot summers and cold, snowy winters.
The 'feels like' temperature in Pierre ranges from 2°C (36°F) to 13°C (55°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 Pierre. It earns a climate score of 8.9/10 with Excellent.
For June in Pierre, pack Umbrella, Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses. With average highs of 30°C (85°F) and 7 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.
Last updated: