The best times to visit Delmar for ideal weather are

April 2nd to June 17th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.



Other Delmar Travel Info

Weather in Delmar


Average temperatures in Delmar vary drastically. Considering humidity, temperatures feel nice some of the year, but often too hot in the summer and cold in the winter with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 23rd percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Delmar, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally early July where highs are regularly around 91.5°F (33.1°C) with temperatures rarely dropping below 70.7°F (21.5°C) at night.

Delmar Temperatures (Fahrenheit)


Delmar Temperatures (Celsius)


“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Delmar Perceived Temperature (F)


Delmar Perceived Temperature (C)



Average Delmar Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 47.2 36.7 27.1
Feb 49.5 38.2 28.9
Mar 56.8 45.6 35.6
Apr 69.3 56.8 45.4
May 79.1 67.1 56.1
Jun 86.1 74.8 63.9
Jul 89.9 79.5 70.2
Aug 86.5 75.8 66.2
Sep 82.3 70.9 61.1
Oct 71.7 60.1 49.6
Nov 61.1 48.9 38.1
Dec 54.8 44.2 34.6

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 8.4 2.6 -2.7
Feb 9.7 3.4 -1.7
Mar 13.8 7.6 2
Apr 20.7 13.8 7.4
May 26.2 19.5 13.4
Jun 30.1 23.8 17.7
Jul 32.2 26.4 21.2
Aug 30.3 24.3 19
Sep 27.9 21.6 16.2
Oct 22.1 15.6 9.8
Nov 16.2 9.4 3.4
Dec 12.7 6.8 1.4



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Delmar are November, September, and then October. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late August to early September. For example, on the week of August 27th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid February with an average of 3 days of significant precipitation the week of February 19th.

When can you find snow in Delmar? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Delmar.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Delmar (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 25% 0 3.2
Feb 27% 0 2.6
Mar 26% 0 3.7
Apr 23% 0 3.4
May 21% 0 2.6
Jun 22% 0 5
Jul 22% 0 4.1
Aug 21% 0 7
Sep 19% 0 4
Oct 20% 0 5.1
Nov 14% 0 1.9
Dec 21% 0 3.1

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 25 0 8.1
Feb 27 0 6.6
Mar 26 0 9.4
Apr 23 0 8.6
May 21 0 6.6
Jun 22 0 12.7
Jul 22 0 10.4
Aug 21 0 17.8
Sep 19 0 10.2
Oct 20 0 13
Nov 14 0 4.8
Dec 21 0 7.9


Humidity and Wind

Delmar has some high humidity months, with other comfortably humid months. The least humid month is February (50.2% relative humidity), and the most humid month is August (66.1%).

Wind in Delmar is usually calm. The windiest month is April, followed by March and February. April’s average wind speed of around 7.7 knots (8.8 MPH or 14.2 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in mid February where average top sustained speeds reach 16 knots, which is considered a moderate breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Delmar.

Avg. Relative Humidity


The graph below shows wind speed (max and average) in knots.

Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 6.5 Light breeze 13.5 Significant breeze
Feb 7.1 Gentle breeze 15.1 Significant breeze
Mar 7.3 Gentle breeze 14.5 Significant breeze
Apr 7.7 Gentle breeze 15.1 Significant breeze
May 6.3 Light breeze 12.8 Significant breeze
Jun 5.6 Light breeze 12.6 Significant breeze
Jul 5.1 Light breeze 11.9 Significant breeze
Aug 4.5 Light breeze 11.3 Significant breeze
Sep 4.8 Light breeze 11.4 Significant breeze
Oct 5.8 Light breeze 12.3 Significant breeze
Nov 6 Light breeze 12.7 Significant breeze
Dec 6.2 Light breeze 12.8 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 52.8%
Feb 50.2%
Mar 52.3%
Apr 50.6%
May 59.6%
Jun 59.8%
Jul 63%
Aug 66.1%
Sep 66.1%
Oct 64.2%
Nov 58.8%
Dec 61.6%


Is it Safe to Travel to Delmar?

Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Sep 23, 2019.


The Busiest and Least Crowded Months

The busiest month for tourism in Delmar, MD, US is July, followed by June and August. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Delmar in October. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month


Most Popular Months to Visit

Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 56.1 in October means 56.1% of the tourists vs. July.



Overall Delmar Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderate. Highs range from 84.4°F (29.1°C) and 50.3°F (10.2°C) with far warmer temperatures in the later months. Rain is somewhat common with 7 to 8 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see moderate precipitation with 6 to 7 days of precipitation per month. June – August is the busiest season for tourism in Delmar, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 86.2°F (30.1°C) and 58.6°F (14.8°C), which will feel comfortable given the humidity and wind. It rains or snows a significant amount: 4 to 6 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is too cold this time of year in Delmar to be enjoyable for warm weather travelers. The average high during this season is between 55.5°F (13.1°C) and 41.3°F (5.2°C). On average, it rains or snows a fair amount: 6 to 8 times per month. These times of year are fairly slow with tourists.


Best Times to Travelthe United States › Delmar, MD, US