The best times to visit Bethany Beach for ideal weather are
April 23rd 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.
Bethany Beach Travel Guide
Other Bethany Beach Travel Info
Weather in Bethany Beach
Temperature
Average temperatures in Bethany Beach vary drastically. Considering humidity, temperatures feel nice most of the year, excluding some cold weeks in the winter, with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 29th 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 Bethany Beach, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally mid July where highs are regularly around 87.2°F (30.7°C) with temperatures rarely dropping below 71.5°F (21.9°C) at night.
Bethany Beach Temperatures (Fahrenheit)
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Bethany Beach Temperatures (Celsius)
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“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.
Bethany Beach Perceived Temperature (F)
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Bethany Beach Perceived Temperature (C)
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Average Bethany Beach 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 | 45.6 | 36.7 | 27.9 |
| Feb | 46.6 | 37.3 | 28.6 |
| Mar | 54.4 | 45.3 | 36.9 |
| Apr | 64.4 | 54.6 | 45.7 |
| May | 73.4 | 64.3 | 56.2 |
| Jun | 82.1 | 73.6 | 65.7 |
| Jul | 85.8 | 77.8 | 69.9 |
| Aug | 83.7 | 75.7 | 67.7 |
| Sep | 78.6 | 70.8 | 62.8 |
| Oct | 69.8 | 60.6 | 51.7 |
| Nov | 58.5 | 49.3 | 39.9 |
| Dec | 52.1 | 43.2 | 34.5 |
Show Celsius
| Month | Avg. High (°C) | Avg. Mean (°C) | Avg. Low (°C) |
|---|---|---|---|
| Jan | 7.6 | 2.6 | -2.3 |
| Feb | 8.1 | 2.9 | -1.9 |
| Mar | 12.4 | 7.4 | 2.7 |
| Apr | 18 | 12.6 | 7.6 |
| May | 23 | 17.9 | 13.4 |
| Jun | 27.8 | 23.1 | 18.7 |
| Jul | 29.9 | 25.4 | 21.1 |
| Aug | 28.7 | 24.3 | 19.8 |
| Sep | 25.9 | 21.6 | 17.1 |
| Oct | 21 | 15.9 | 10.9 |
| Nov | 14.7 | 9.6 | 4.4 |
| Dec | 11.2 | 6.2 | 1.4 |
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Bethany Beach are September, October, and then May. 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 late June with an average of 2 days of significant precipitation the week of June 25th.
When can you find snow in Bethany Beach? 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 Bethany Beach.
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Snow on the Ground
The graph below shows the average snow on the ground in Bethany Beach (in).
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Average Rain and Snow by Month
Show Inches
| Month | Daily Chance of Rain | Average Snow Depth (in) | Total Precipitation (in) |
|---|---|---|---|
| Jan | 22% | 0 | 3 |
| Feb | 21% | 0 | 2.6 |
| Mar | 23% | 0 | 3.3 |
| Apr | 23% | 0 | 3.6 |
| May | 15% | 0 | 2.7 |
| Jun | 22% | 0 | 3.6 |
| Jul | 16% | 0 | 3.4 |
| Aug | 16% | 0 | 3.6 |
| Sep | 11% | 0 | 2.7 |
| Oct | 14% | 0 | 3.8 |
| Nov | 16% | 0 | 2.6 |
| Dec | 25% | 0 | 4.2 |
Show Centimeters
| Month | Daily Chance of Rain | Average Snow Depth (cm) | Total Precipitation (cm) |
|---|---|---|---|
| Jan | 22 | 0 | 7.6 |
| Feb | 21 | 0 | 6.6 |
| Mar | 23 | 0 | 8.4 |
| Apr | 23 | 0 | 9.1 |
| May | 15 | 0 | 6.9 |
| Jun | 22 | 0 | 9.1 |
| Jul | 16 | 0 | 8.6 |
| Aug | 16 | 0 | 9.1 |
| Sep | 11 | 0 | 6.9 |
| Oct | 14 | 0 | 9.7 |
| Nov | 16 | 0 | 6.6 |
| Dec | 25 | 0 | 10.7 |
Humidity and Wind
Bethany Beach has some very humid months, with other comfortably humid months. The least humid month is February (55.2% relative humidity), and the most humid month is August (70.9%).
Wind in Bethany Beach is usually calm. The windiest month is March, followed by February and April. March’s average wind speed of around 7.6 knots (8.8 MPH or 14.1 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 early to mid February where average top sustained speeds reach 15.1 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Bethany Beach.
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Wind
The graph below shows wind speed (max and average) in knots.
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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 | 6.8 | Light breeze | 13.2 | Significant breeze |
| Feb | 7.5 | Gentle breeze | 14.4 | Significant breeze |
| Mar | 7.6 | Gentle breeze | 13.9 | Significant breeze |
| Apr | 7.4 | Gentle breeze | 13.6 | Significant breeze |
| May | 6.4 | Light breeze | 11.8 | Significant breeze |
| Jun | 5.9 | Light breeze | 11.5 | Significant breeze |
| Jul | 5.5 | Light breeze | 11 | Significant breeze |
| Aug | 5 | Light breeze | 10.5 | Gentle breeze |
| Sep | 6.2 | Light breeze | 11.5 | Significant breeze |
| Oct | 6.8 | Light breeze | 12.3 | Significant breeze |
| Nov | 6.7 | Light breeze | 12.7 | Significant breeze |
| Dec | 6.6 | Light breeze | 12.8 | Significant breeze |
Show Relative Humidity by Month
| Month | Avg. Relative Humidity |
|---|---|
| Jan | 56.7% |
| Feb | 55.2% |
| Mar | 57.7% |
| Apr | 60.4% |
| May | 69% |
| Jun | 67.9% |
| Jul | 68.8% |
| Aug | 70.9% |
| Sep | 69.2% |
| Oct | 67.4% |
| Nov | 64.4% |
| Dec | 64.8% |
Is it Safe to Travel to Bethany Beach?
Our best data indicates this area is generally safe. As of Dec 04, 2023 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 Dec 04, 2023.
The Busiest and Least Crowded Months
The busiest month for tourism in Bethany Beach, DE, 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 Bethany Beach 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
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Overall Bethany Beach Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderately cold. Highs range from 79.5°F (26.4°C) and 48.3°F (9.1°C) with warmer temperatures in the later months. Rain is somewhat common with 5 to 7 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 comfortable. These months see moderate precipitation with 5 to 7 days of precipitation per month. June – August is the busiest season for tourism in Bethany Beach, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 82.3°F (27.9°C) and 55.4°F (13°C), which will feel comfortable given the humidity and wind. It rains or snows a significant amount: 3 to 5 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 Bethany Beach to be enjoyable for warm weather travelers. The average high during this season is between 53.1°F (11.7°C) and 42.2°F (5.7°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 Travel› the United States › Bethany Beach, DE, US