Lanham, United States experiences average highs of 19°C (66°F) and lows of 10°C (50°F) throughout the year. Rainfall is moderate, averaging about 11 rainy days per month. Sunshine is abundant, averaging about 9 hours per day. Average highs have cooled by 0.7°C (1.3°F) across the available records.
Lanham, United States Weather & Climate 2026
Monthly climate averages for Lanham, United States. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: May–Sep At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
5.7/10
Best: April, May, June, September, October
UV Index
5
Low
Temperature 19°C / 10°C
Feels Like 19°C / 9°C
Rainy Days 11
Rainfall 104 mm
Sunshine 9 h
Humidity 70%
Wind Speed 16 km/h
Dew Point 9°C
Snow Days 3 days
Frost Days 10 days
Hottest Month
31°C
July
Avg Low22°C
Rain16days
Coldest Month
-1°C
January
Avg High6°C
Rain10days
Driest Month
8days
October
Avg High20°C
Avg Low12°C
Windiest Month
19 km/h
March (Gusts 44)
Worst Time to Visit
Consider avoiding January, February, December due to very cold temperatures.
Sun Position
Sunrise 05:43
Daylight 14.9h
Sunset 20:36
Live conditions—
Lanham on the map · live conditions
Lanham, United States
- Continent
- Americas
- Country
- United States
- City
- Lanham
- Population
- 10.2K
- Elevation
- 43 m
- Coordinates
- 38.97°, -76.86°
Seasonal Breakdown
Spring
Mar–May
Avg High 18°C
Avg Low 9°C
Rain 11 days/mo
2/3 best months
Summer
Jun–Aug
Avg High 29°C
Avg Low 21°C
Rain 13 days/mo
1/3 best months
Autumn
Sep–Nov
Avg High 20°C
Avg Low 12°C
Rain 9 days/mo
2/3 best months
Winter
Dec–Feb
Avg High 8°C
Avg Low 0°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: 6°C / -1°C . Feb: 9°C / 1°C . Mar: 14°C / 4°C . Apr: 19°C / 9°C . May: 23°C / 14°C . Jun: 28°C / 19°C . Jul: 31°C / 22°C . Aug: 29°C / 21°C . Sep: 26°C / 18°C . Oct: 20°C / 12°C . Nov: 14°C / 5°C . Dec: 8°C / 1°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 83 mm. Feb: 89 mm. Mar: 86 mm. Apr: 88 mm. May: 124 mm. Jun: 115 mm. Jul: 184 mm. Aug: 120 mm. Sep: 111 mm. Oct: 86 mm. Nov: 68 mm. Dec: 98 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 68%. Feb: 67%. Mar: 64%. Apr: 65%. May: 73%. Jun: 70%. Jul: 73%. Aug: 75%. Sep: 75%. Oct: 72%. Nov: 68%. Dec: 70%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 18 km/h . Feb: 18 km/h . Mar: 19 km/h . Apr: 19 km/h . May: 15 km/h . Jun: 15 km/h . Jul: 12 km/h . Aug: 12 km/h . Sep: 14 km/h . Oct: 16 km/h . Nov: 17 km/h . Dec: 17 km/h .
Sunshine
Sunshine
Sunshine: Jan: 6h. Feb: 7h. Mar: 8h. Apr: 9h. May: 9h. Jun: 11h. Jul: 12h. Aug: 11h. Sep: 9h. Oct: 8h. Nov: 7h. Dec: 6h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 3. Feb: UV 4. Mar: UV 5. Apr: UV 6. May: UV 6. Jun: UV 7. Jul: UV 8. Aug: UV 7. Sep: UV 5. Oct: UV 5. 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: 4 days. Feb: 4 days. Mar: 2 days. Apr: 0 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 0 days. Dec: 2 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 · 30°C | Jul · 31°C |
| Coldest month | Jan 2025 · -5°C | Jan · -1°C |
| Wettest month | Jul 2025 · 319 mm | Jul · 184 mm |
| Windiest month | Mar 2025 · 21 km/h | Mar · 19 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Fair April best
Good May best
Excellent June best
Excellent July
Wet August
Good September best
Excellent October best
Excellent November
Fair December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 6°C / -1°C | 2°C / -6°C | 10days (83 mm) Wet | 6.1h Fair | 68% Muggy | 2.6 Moderate | Poor | View Details |
| February | 9°C / 1°C | 6°C / -4°C | 10days (89 mm) Wet | 6.7h Fair | 67% Muggy | 3.5 Moderate | Poor | View Details |
| March | 14°C / 4°C | 11°C / 0°C | 10days (86 mm) Wet | 8.2h Good | 64% Muggy | 5 Moderate | Fair | View Details |
| April best | 19°C / 9°C | 18°C / 6°C | 9days (88 mm) Wet | 9.1h Good | 65% Muggy | 5.8 High | Good | View Details |
| May best | 23°C / 14°C | 24°C / 13°C | 14days (124 mm) Wet | 9.3h Good | 73% Muggy | 6.4 High | Excellent | View Details |
| June best | 28°C / 19°C | 31°C / 20°C | 11days (115 mm) Wet | 11.3h Excellent | 70% Muggy | 7.3 Very High | Excellent | View Details |
| July | 31°C / 22°C | 35°C / 25°C | 16days (184 mm) Wet | 11.7h Excellent | 73% Muggy | 7.5 Very High | Wet | View Details |
| August | 29°C / 21°C | 33°C / 23°C | 12days (120 mm) Wet | 10.5h Excellent | 75% Muggy | 6.8 High | Good | View Details |
| September best | 26°C / 18°C | 28°C / 19°C | 11days (111 mm) Wet | 8.5h Good | 75% Muggy | 5.2 High | Excellent | View Details |
| October best | 20°C / 12°C | 20°C / 11°C | 8days (86 mm) Wet | 7.8h Good | 72% Muggy | 4.5 Moderate | Excellent | View Details |
| November | 14°C / 5°C | 11°C / 2°C | 8days (68 mm) Wet | 7.2h Good | 68% Muggy | 3.1 Moderate | Fair | View Details |
| December | 8°C / 1°C | 5°C / -3°C | 9days (98 mm) Wet | 5.8h Fair | 70% Muggy | 2.3 Moderate | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Lanham are April, May, June, September, October, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Lanham, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Lanham is July, with average daytime highs of 31°C (88°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Lanham is January, with average overnight lows of -1°C (30°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Lanham is July, averaging 184mm of precipitation across 16 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Lanham runs through July, May, August, June, with the heaviest rainfall in July. Based on 10-year averages for Lanham.
Lanham receives approximately 102 sunshine hours per year. The sunniest month is July with around 12 hours. Based on climate data for Lanham.
The least favorable months to visit Lanham are January, February, December, primarily due to very cold temperatures. For the best conditions, consider April, May, June, September, October instead.
The annual average UV index in Lanham is 5, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Lanham is 70%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Lanham receives snow. Months with snowfall average 3 snow days and 8 cm (3 in) of accumulation, with about 10 frost days during winter.
Average wind speeds in Lanham are 16 km/h (10 mph). The windiest month is March with peak winds reaching 19 km/h (12 mph) (gusts up to 44 km/h / 27 mph).
Lanham averages 5 clear-sky days per month with overall cloud cover around 57%. The clearest skies occur in October.
The annual average dew point in Lanham is 9°C (48°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Lanham 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 Lanham ranges from 9°C (48°F) to 19°C (66°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 Lanham. It earns a climate score of 8.4/10 with Excellent.
For June in Lanham, pack Umbrella, Waterproof jacket, Breathable clothing, Sunscreen (SPF 30+), Sun hat. With average highs of 28°C (83°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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