Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average sea temperature in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May sees a temperature increase, moving from a comfortable 61.7°F (16.5°C) in April to a pleasant 71.6°F (22°C). Havre de Grace experiences an average nighttime temperature of 54.3°F (12.4°C) in the month of May.Humidity
The most humid month is May, with an average relative humidity of 80%.Rainfall
In May, the rain falls for 17 days. Throughout May, 2.8" (71mm) of precipitation is accumulated. In Havre de Grace, during the entire year, the rain falls for 149.9 days and collects up to 29.41" (747mm) of precipitation.Snowfall
In Havre de Grace, snow does not fall in May through October.Ocean temperature
In May, the average ocean temperature is 54.3°F (12.4°C).Note: Swimming in 54.3°F (12.4°C) feels unbearing at 55.4°F (13°C) and can be life-risking below 50°F (10°C), causing breathing issues and cold shock, depending on a person's capacity.
Daylight
In Havre de Grace, the average length of the day in May is 14h and 22min.On the first day of the month, sunrise is at 6:04 am and sunset at 7:58 pm. On the last day of May, sunrise is at 5:38 am and sunset at 8:25 pm EDT.
Sunshine
The average sunshine in May is 8.7h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 6 during May leads to these advisories:
Inhibit overexposure. Warding off sun damage is of utmost importance. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the most humid month?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
Does it snow in May?
How cold is the water in May?
What is the average length of the day in May in Havre de Grace?
What time are sunrise and sunset in May?
How many hours of sunshine does Havre de Grace have in May?
What are the months with the highest UV index?
How high is the UV index in May?
Average temperature in May
Havre de Grace, MD
- Average high temperature in May: 71.6°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in May: 54.3°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in May
Havre de Grace, MD
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Havre de Grace, MD
- Average wind speed in May: 6.9mph
The windiest months (with the highest average wind speed) are February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in May
Havre de Grace, MD
- Average humidity in May: 80%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is April (74%).
Average rainfall in May
Havre de Grace, MD
- Average rainfall in May: 2.8"
The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days in May
Havre de Grace, MD
- Average rainfall days in May: 17 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in May
Havre de Grace, MD
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.17").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Havre de Grace, MD
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in May
Havre de Grace, MD
- Average sea temperature in May: 54.4°F
The best month for swimming (with the highest average sea temperature) is August (76.6°F).
The coldest month (with the lowest average sea temperature) is February (42.5°F).
Average daylight in May /
Average sunshine in May
Havre de Grace, MD
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in May
Havre de Grace, MD
- Average sunshine days in May: 11.1 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in May
Havre de Grace, MD
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Havre de Grace, MD
- Average cloud cover in May: 45
The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in May
Havre de Grace, MD
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Havre de Grace, Maryland, USA
Weather forecast for your location
2. Allow the app to use your location