Havre de Grace, United States experiences average highs of 18°C (64°F) and lows of 10°C (50°F) throughout the year. Rainfall is moderate, averaging about 10 rainy days per month. Sunshine is abundant, averaging about 9 hours per day. Average highs have cooled by 0.6°C (1.1°F) across the available records.
Havre de Grace, United States Weather & Climate 2026
Monthly climate averages for Havre de Grace, United States. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: May–Aug At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
5.8/10
Best: May, June, August, September, October
UV Index
5
Low
Temperature 18°C / 10°C
Feels Like 17°C / 9°C
Rainy Days 10
Rainfall 95 mm
Sunshine 9 h
Humidity 72%
Wind Speed 17 km/h
Dew Point 9°C
Snow Days 3 days
Frost Days 9 days
Hottest Month
30°C
July
Avg Low 23°C
Rain 14 days
Coldest Month
-1°C
January
Avg High 5°C
Rain 9 days
Driest Month
7 days
November
Avg High 13°C
Avg Low 5°C
Windiest Month
20 km/h
April (Gusts 40)
Sea Temperature
3°C – 30°C
Warmest water: July (
29.6°C
)
Worst Time to Visit
Consider avoiding January, February, December due to very cold temperatures.
Sun Position
Sunrise 05:36
Daylight 15h
Sunset 20:34
Live conditions —
Havre de Grace on the map · live conditions
Havre de Grace, United States
- Continent
- Americas
- Country
- United States
- City
- Havre de Grace
- Population
- 13.5K
- Elevation
- 17 m
- Coordinates
- 39.55°, -76.09°
Seasonal Breakdown
Spring
Mar–May
Avg High 17°C
Avg Low 9°C
Rain 11 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 29°C
Avg Low 21°C
Rain 12 days/mo
2/3 best months
Autumn
Sep–Nov
Avg High 19°C
Avg Low 12°C
Rain 8 days/mo
2/3 best months
Winter
Dec–Feb
Avg High 7°C
Avg Low 0°C
Rain 9 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
High Low Shaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 5°C / -1°C . Feb: 8°C / 0°C . Mar: 12°C / 4°C . Apr: 18°C / 9°C . May: 22°C / 14°C . Jun: 27°C / 19°C . Jul: 30°C / 23°C . Aug: 28°C / 21°C . Sep: 25°C / 18°C . Oct: 20°C / 12°C . Nov: 13°C / 5°C . Dec: 7°C / 1°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 78 mm. Feb: 87 mm. Mar: 93 mm. Apr: 93 mm. May: 114 mm. Jun: 88 mm. Jul: 135 mm. Aug: 102 mm. Sep: 97 mm. Oct: 81 mm. Nov: 71 mm. Dec: 99 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 68%. Feb: 69%. Mar: 66%. Apr: 67%. May: 74%. Jun: 71%. Jul: 75%. Aug: 77%. Sep: 76%. Oct: 74%. Nov: 70%. Dec: 72%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 19 km/h . Feb: 19 km/h . Mar: 20 km/h . Apr: 20 km/h . May: 17 km/h . Jun: 16 km/h . Jul: 14 km/h . Aug: 13 km/h . Sep: 15 km/h . Oct: 16 km/h . Nov: 18 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.
Sea Temperature
Sea Temperature swim
Line chart showing monthly sea temperature. Jan: 3°C . Feb: 4°C . Mar: 8°C . Apr: 14°C . May: 20°C . Jun: 25°C . Jul: 30°C . Aug: 28°C . Sep: 25°C . Oct: 19°C . Nov: 12°C . Dec: 6°C .
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 7. Aug: UV 7. Sep: UV 5. Oct: UV 4. Nov: UV 3. Dec: UV 2.
Monthly Daylight Hours
Daylight 12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow Days Snowfall
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 0.6°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 · 30°C | Jul · 30°C |
| Coldest month | Jan 2025 · -4°C | Jan · -1°C |
| Wettest month | Jul 2025 · 218 mm | Jul · 135 mm |
| Windiest month | Mar 2025 · 22 km/h | Apr · 20 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Good May best
Excellent June best
Excellent July
Fair August best
Excellent September best
Excellent October best
Good November
Fair December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 5°C / -1°C | 1°C / -6°C | 9days (78 mm) Wet | 6.1h Fair | 68% Muggy | 2.6 Moderate | Poor | View Details |
| February | 8°C / 0°C | 5°C / -4°C | 10days (87 mm) Wet | 6.7h Fair | 69% Muggy | 3.5 Moderate | Poor | View Details |
| March | 12°C / 4°C | 9°C / 0°C | 10days (93 mm) Wet | 8.2h Good | 66% Muggy | 4.8 Moderate | Poor | View Details |
| April | 18°C / 9°C | 16°C / 6°C | 9days (93 mm) Wet | 9.1h Good | 67% Muggy | 5.5 High | Good | View Details |
| May best | 22°C / 14°C | 23°C / 13°C | 13days (114 mm) Wet | 9.4h Good | 74% Muggy | 6.2 High | Excellent | View Details |
| June best | 27°C / 19°C | 29°C / 20°C | 11days (88 mm) Wet | 11.4h Excellent | 71% Muggy | 7.1 Very High | Excellent | View Details |
| July | 30°C / 23°C | 34°C / 25°C | 14days (135 mm) Wet | 11.7h Excellent | 75% Muggy | 7.4 Very High | Fair | View Details |
| August best | 28°C / 21°C | 32°C / 24°C | 12days (102 mm) Wet | 10.5h Excellent | 77% Humid | 6.7 High | Excellent | View Details |
| September best | 25°C / 18°C | 27°C / 19°C | 10days (97 mm) Wet | 8.6h Good | 76% Humid | 5.1 High | Excellent | View Details |
| October best | 20°C / 12°C | 19°C / 11°C | 8days (81 mm) Wet | 7.7h Good | 74% Muggy | 4.4 Moderate | Good | View Details |
| November | 13°C / 5°C | 10°C / 2°C | 7days (71 mm) Good | 7.2h Good | 70% Muggy | 3 Moderate | Fair | View Details |
| December | 7°C / 1°C | 4°C / -3°C | 9days (99 mm) Wet | 5.7h Fair | 72% Muggy | 2.2 Moderate | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Havre de Grace are May, June, August, September, October, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Havre de Grace, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Havre de Grace is July, with average daytime highs of 30°C (86°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Havre de Grace 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 Havre de Grace is July, averaging 135mm of precipitation across 14 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Havre de Grace runs through July, May, August, June, with the heaviest rainfall in July. Based on 10-year averages for Havre de Grace.
Havre de Grace receives approximately 102 sunshine hours per year. The sunniest month is July with around 12 hours. Based on climate data for Havre de Grace.
The least favorable months to visit Havre de Grace are January, February, December, primarily due to very cold temperatures. For the best conditions, consider May, June, August, September, October instead.
The annual average UV index in Havre de Grace is 5, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Havre de Grace is 72%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes — sea temperatures in June, July, August, September average 27°C (81°F), which is warm and comfortable for swimming and water activities.
Yes, Havre de Grace receives snow. Months with snowfall average 3 snow days and 8 cm (3 in) of accumulation, with about 9 frost days during winter.
Average wind speeds in Havre de Grace are 17 km/h (11 mph). The windiest month is April with peak winds reaching 20 km/h (12 mph) (gusts up to 40 km/h / 25 mph).
Havre de Grace averages 5 clear-sky days per month with overall cloud cover around 58%. The clearest skies occur in October.
The annual average dew point in Havre de Grace is 9°C (48°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Havre de Grace 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 Havre de Grace ranges from 9°C (48°F) to 17°C (63°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 Havre de Grace. It earns a climate score of 8.8/10 with Excellent.
For June in Havre de Grace, pack Umbrella, Waterproof jacket, Breathable clothing, Sunscreen (SPF 30+), Sun hat. With average highs of 27°C (81°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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