Peak in July
Coolest in January
Heavy in May
Peak in dry season
Washington DC Monthly Weather Guide
Click any month to explore daily weather forecasts
January
February
March
April
May
June
July
August
September
October
November
December
Essential Travel Info for Washington DC
Currency
USD
$ United States dollar
Language
English
Driving
Right side
Connect
The D.C. government operates a network o...
Safety
Moderate Safety
GPI: 2.44
Best Time to Visit Washington DC
Location, climate overview & historical trends
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📍 38.9072° N, 77.0369° W
Open in Google MapsWashington DC is a prominent destination in United States.
Located at 38.91°N latitude,Washington DC experiences a temperate climate with four distinct seasons.
Based on 30 years of data, July is the warmest month (avg. 31°C), while January is the coolest. May sees the most rain (31% chance), making November the driest month.
Historical Climate Trend
30-Year Analysis+1.13°C
Total over 30 years
+0.38°C
Per decade
Linear regression analysis of historical maximum temperatures for Washington DC, based on 1995-2024 satellite data from NASA POWER.
Best Time to Visit
NASA POWER Data (1991-2021)April, May, June
Best months to visit
19°C
Avg High
Based on 30 years of NASA satellite data,Washington DC receives approximately 652mm of rainfall annually. These months offer optimal temperatures and minimal rain probability for your visit.
Climate Trends
EXCLUSIVE1995-2040 Temperature Trend
1995 Avg
18.4°
2024 Avg
19.4°
2040 Proj
20.1°
+0.38°C
per decade (observed)
+0.44°C
per decade (CMIP6)
🌡️ Washington DC has warmed by +1.1°C since 1995. By 2040, an additional +0.7°C is projected (based on CMIP6 rate of 0.44°C/decade), for a total of +1.8°C from 1995 baseline.
NASA POWER (1995-2024) + CMIP6 (CMCC_CM2_VHR4, EC_Earth3P_HR, FGOALS_f3_H, HiRAM_SIT_HR, MRI_AGCM3_2_S, NICAM16_8S)
Travel Intelligence
Exclusive flight analytics & health data for Washington DC
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Flight Connectivity Analysis
Airport traffic data & seasonal patterns
Popular destination
0
slots per day
Peak
Jun
Low
Jan
Monthly Traffic Distribution
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Health & Safety Advisory
CDC travel health recommendations
No Special Vaccinations Required
Standard travel precautions apply
Source: CDC Travelers' Health
View Complete Health GuideWashington DC Climate Data by Month
Historical temperature and precipitation averages
| Month | Avg High (°C) | Rain Probability (%) | Status |
|---|---|---|---|
| January | 6°C | 22% | Neutral |
| February | 8°C | 24% | Neutral |
| March | 13°C | 23% | Neutral |
| April | 19°C | 25% | 😊 Pleasant |
| May | 23°C | 31% | 😊 Pleasant |
| June | 29°C | 30% | 😊 Pleasant |
| July | 31°C | 30% | 🔥 Hot |
| August | 30°C | 29% | 😊 Pleasant |
| September | 26°C | 27% | 😊 Pleasant |
| October | 20°C | 19% | ✨ Perfect |
| November | 13°C | 19% | Neutral |
| December | 8°C | 22% | Neutral |
Weather in Cities Near Washington DC
Explore climate data for popular destinations within easy reach
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Ottawa
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Compare weather conditions with nearby destinations for your trip planning
Compare Washington DC Weather vs Popular Destinations
Similar Climate Destinations
Discover destinations with weather similar to Washington DC
Adelaide
Australia
Aix-en-Provence
France
Auckland
New Zealand
Avignon
France
Ponta Delgada
Portugal
Barcelona
Spain
These destinations share similar weather patterns with Washington DC. Perfect alternatives if you're looking for the same climate in a different location.
Washington DC Weather FAQ
When is the best time to visit Washington DC?
Honestly, look for months with mild temperatures (20°C-25°C) and low rain chance. Based on historical data, April, May, June are usually great choices.
When is the hottest month in Washington DC?
July is historically the hottest month in Washington DC with average highs of 31°C.
When does it rain the most in Washington DC?
May typically sees the highest probability of rain (31%).
Is Washington DC expensive?
Prices vary by season. The "Perfect" weather months usually coincide with peak tourist season and higher prices, while the rainy or cold months offer better deals.