Potsdam, United States experiences average highs of 13°C (55°F) and lows of 4°C (39°F) throughout the year. Rainfall is frequent, averaging about 13 rainy days per month. Average highs have cooled by 0.6°C (1.1°F) across the available records.
Potsdam, United States Weather & Climate 2026
Monthly climate averages for Potsdam, United States. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Oct 
Wetter season: Aug–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
4.6/10
Best: May, June, July, August, September
UV Index
4
Low
Temperature 13°C / 4°C
Feels Like 11°C / 1°C
Rainy Days 13
Rainfall 99 mm
Sunshine 8 h
Humidity 73%
Wind Speed 17 km/h
Dew Point 4°C
Snow Days 11 days
Frost Days 17 days
Hottest Month
27°C
July
Avg Low18°C
Rain13days
Coldest Month
-10°C
January
Avg High-2°C
Rain12days
Driest Month
8days
September
Avg High22°C
Avg Low13°C
Windiest Month
19 km/h
February (Gusts 43)
Worst Time to Visit
Consider avoiding January, February, November, December due to very cold temperatures, frequent rain.
Sun Position
Sunrise 05:15
Daylight 15.6h
Sunset 20:48
Live conditions—
Potsdam on the map · live conditions
Potsdam, United States
- Continent
- Americas
- Country
- United States
- City
- Potsdam
- Population
- 9.7K
- Elevation
- 132 m
- Coordinates
- 44.67°, -74.98°
Seasonal Breakdown
Spring
Mar–May
Avg High 12°C
Avg Low 2°C
Rain 13 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 25°C
Avg Low 16°C
Rain 13 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 14°C
Avg Low 7°C
Rain 12 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 0°C
Avg Low -9°C
Rain 13 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 / -10°C . Feb: 0°C / -10°C . Mar: 5°C / -4°C . Apr: 12°C / 2°C . May: 19°C / 9°C . Jun: 24°C / 14°C . Jul: 27°C / 18°C . Aug: 25°C / 17°C . Sep: 22°C / 13°C . Oct: 15°C / 8°C . Nov: 6°C / 0°C . Dec: 1°C / -6°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 83 mm. Feb: 84 mm. Mar: 93 mm. Apr: 117 mm. May: 90 mm. Jun: 101 mm. Jul: 110 mm. Aug: 111 mm. Sep: 68 mm. Oct: 137 mm. Nov: 95 mm. Dec: 93 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 76%. Feb: 74%. Mar: 69%. Apr: 67%. May: 69%. Jun: 71%. Jul: 73%. Aug: 75%. Sep: 75%. Oct: 75%. Nov: 76%. Dec: 76%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 17 km/h . Feb: 19 km/h . Mar: 18 km/h . Apr: 18 km/h . May: 16 km/h . Jun: 16 km/h . Jul: 15 km/h . Aug: 14 km/h . Sep: 14 km/h . Oct: 17 km/h . Nov: 18 km/h . Dec: 18 km/h .
Sunshine
Sunshine
Sunshine: Jan: 5h. Feb: 6h. Mar: 7h. Apr: 8h. May: 10h. Jun: 11h. Jul: 12h. Aug: 11h. Sep: 9h. Oct: 6h. 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 5. Jun: UV 6. Jul: UV 7. Aug: UV 6. Sep: UV 5. Oct: UV 3. Nov: UV 2. Dec: UV 1.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 18 days. Feb: 15 days. Mar: 12 days. Apr: 5 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 1 days. Nov: 8 days. Dec: 16 days.
Climate Trends
Average highs have cooled by 0.6°C (1.1°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 · 28°C | Jul · 27°C |
| Coldest month | Feb 2025 · -11°C | Jan · -10°C |
| Wettest month | Oct 2025 · 169 mm | Oct · 137 mm |
| Windiest month | Mar 2025 · 21 km/h | Feb · 19 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Poor May best
Good June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Fair November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | -2°C / -10°C | -7°C / -15°C | 12days (83 mm) Wet | 4.7h Fair | 76% Humid | 1.8 Low | Poor | View Details |
| February | 0°C / -10°C | -4°C / -15°C | 13days (84 mm) Wet | 5.8h Fair | 74% Muggy | 2.8 Moderate | Poor | View Details |
| March | 5°C / -4°C | 1°C / -9°C | 13days (93 mm) Wet | 7.2h Good | 69% Muggy | 3.9 Moderate | Poor | View Details |
| April | 12°C / 2°C | 9°C / -2°C | 13days (117 mm) Wet | 8.1h Good | 67% Muggy | 4.6 Moderate | Poor | View Details |
| May best | 19°C / 9°C | 18°C / 6°C | 12days (90 mm) Wet | 10h Excellent | 69% Muggy | 5.4 High | Good | View Details |
| June best | 24°C / 14°C | 24°C / 13°C | 13days (101 mm) Wet | 10.6h Excellent | 71% Muggy | 6.2 High | Excellent | View Details |
| July best | 27°C / 18°C | 28°C / 18°C | 13days (110 mm) Wet | 11.7h Excellent | 73% Muggy | 6.8 High | Excellent | View Details |
| August best | 25°C / 17°C | 27°C / 17°C | 14days (111 mm) Wet | 10.5h Excellent | 75% Muggy | 5.8 High | Excellent | View Details |
| September best | 22°C / 13°C | 22°C / 12°C | 8days (68 mm) Wet | 9.1h Good | 75% Muggy | 5 Moderate | Excellent | View Details |
| October | 15°C / 8°C | 13°C / 5°C | 13days (137 mm) Wet | 6.4h Fair | 75% Muggy | 3.1 Moderate | Fair | View Details |
| November | 6°C / 0°C | 3°C / -4°C | 14days (95 mm) Wet | 5h Fair | 76% Humid | 2 Low | Poor | View Details |
| December | 1°C / -6°C | -3°C / -11°C | 14days (93 mm) Wet | 4h Fair | 76% Humid | 1.4 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Potsdam 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 Potsdam, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Potsdam is July, with average daytime highs of 27°C (80°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Potsdam 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 Potsdam is October, averaging 137mm of precipitation across 13 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Potsdam runs through August, November, December, February, with the heaviest rainfall in August. Based on 10-year averages for Potsdam.
Potsdam receives approximately 93 sunshine hours per year. The sunniest month is July with around 12 hours. Based on climate data for Potsdam.
The least favorable months to visit Potsdam are January, February, November, 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 Potsdam is 4, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Potsdam is 73%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Potsdam receives snow. Months with snowfall average 11 snow days and 21 cm (8 in) of accumulation, with about 17 frost days during winter.
Average wind speeds in Potsdam are 17 km/h (11 mph). The windiest month is February with peak winds reaching 19 km/h (12 mph) (gusts up to 43 km/h / 27 mph).
Potsdam averages 3 clear-sky days per month with overall cloud cover around 65%. The clearest skies occur in September.
The annual average dew point in Potsdam is 4°C (39°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Potsdam 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 Potsdam ranges from 1°C (34°F) to 11°C (52°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 Potsdam. It earns a climate score of 8.3/10 with Excellent.
For June in Potsdam, pack Umbrella, Waterproof jacket, Sunscreen (SPF 30+), Sunglasses, Comfortable walking shoes. With average highs of 24°C (75°F) and 13 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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