The best times to visit Sundern for ideal weather are

May 21st to September 16th

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



Other Sundern Travel Info

Weather in Sundern


Average temperatures in Sundern vary greatly. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a very low chance of rain or snow throughout the year. The area is somewhat temperate — in the 57th 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 Sundern, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally late July where highs are regularly around 76.1°F (24.5°C) with temperatures rarely dropping below 56.9°F (13.8°C) at night.

Sundern Temperatures (Fahrenheit)


Sundern 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.

Sundern Perceived Temperature (F)


Sundern Perceived Temperature (C)



Average Sundern 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 40.6 36.1 30.8
Feb 41.6 36.3 30.5
Mar 49.4 42.1 34.1
Apr 60.4 51.4 41
May 65.7 57.2 47
Jun 70.7 62.3 53
Jul 74.5 65.8 56
Aug 73.9 65 55.8
Sep 65.8 57.6 49
Oct 57.6 50.1 42.5
Nov 49.1 43.8 38.1
Dec 40.1 35.9 30.7

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 4.8 2.3 -0.7
Feb 5.3 2.4 -0.8
Mar 9.7 5.6 1.2
Apr 15.8 10.8 5
May 18.7 14 8.3
Jun 21.5 16.8 11.7
Jul 23.6 18.8 13.3
Aug 23.3 18.3 13.2
Sep 18.8 14.2 9.4
Oct 14.2 10.1 5.8
Nov 9.5 6.6 3.4
Dec 4.5 2.2 -0.7



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Sundern are January, February, and then March. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early January. For example, on the week of January 1st there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late May with an average of 1 days of significant precipitation the week of May 21st.

When can you find snow in Sundern? Weather stations report a good amount of seasonal snow likely to be deepest around January, especially close to mid December. The best time to ski (if at all) in Sundern is often around around December 17th when fresh powder is deepest. 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 Sundern.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 0% 3.1 0
Feb 0% 0.9 0
Mar 0% 0.7 0
Apr 0% 0 0
May 4% 0 0.6
Jun 0% 0 0
Jul 0% 0 0
Aug 0% 0 0
Sep 0% 0 0
Oct 0% 0 0
Nov 0% 1 0
Dec 0% 2.7 0

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 0 7.9 0
Feb 0 2.3 0
Mar 0 1.8 0
Apr 0 0 0
May 4 0 1.5
Jun 0 0 0
Jul 0 0 0
Aug 0 0 0
Sep 0 0 0
Oct 0 0 0
Nov 0 2.5 0
Dec 0 6.9 0


Humidity and Wind

Sundern has some extremely humid months, with other comfortably humid months. The least humid month is April (56.3% relative humidity), and the most humid month is December (82.7%).

Wind in Sundern is usually calm. The windiest month is January, followed by December and March. January’s average wind speed of around 7.4 knots (8.5 MPH or 13.7 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 December where average top sustained speeds reach 14 knots, which is considered a moderate breeze.

Relative Humidity (%)

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

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 7.4 Gentle breeze 12.2 Significant breeze
Feb 6.2 Light breeze 10.8 Gentle breeze
Mar 6.3 Light breeze 11.7 Significant breeze
Apr 5.1 Light breeze 10.5 Gentle breeze
May 5.1 Light breeze 10.7 Significant breeze
Jun 5.5 Light breeze 11.3 Significant breeze
Jul 5.4 Light breeze 11.7 Significant breeze
Aug 4.8 Light breeze 10.6 Gentle breeze
Sep 4.9 Light breeze 10.2 Significant breeze
Oct 5 Light breeze 9.9 Gentle breeze
Nov 6 Light breeze 10.5 Significant breeze
Dec 6.4 Light breeze 11.1 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 80.7%
Feb 76.9%
Mar 66.2%
Apr 56.3%
May 60.2%
Jun 62.7%
Jul 62.1%
Aug 65.1%
Sep 71.3%
Oct 76.2%
Nov 81%
Dec 82.7%


Is it Safe to Travel to Sundern?

Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for Germany; 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 Oct 07, 2019.


The Busiest and Least Crowded Months

The busiest month for tourism in Sundern, Germany is January, followed by May and April. 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 Sundern in June. 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 slightly extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 32.4 in June means 32.4% of the tourists vs. January.



Overall Sundern Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 69.5°F (20.8°C) and 46.8°F (8.2°C) with warmer temperatures in the later months. Rain is extremely rare with 0 to 1 days of significant precipitation per month. Spring is the 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 the least precipitation with about 0 days of precipitation per month. June – August is the slowest season for tourism in Sundern, so lodging and other accommodations may cost less than usual.

Fall (September through November)

Fall daily highs range from 69.6°F (20.9°C) and 43°F (6.1°C), which will feel chilly given the humidity and wind. It rains or snows a trivial amount: approximately 0 days per month. Tourism is the second busiest during these months due to the weather, so hotels may be slightly higher priced.

Winter (December through February)

Weather is too cold this time of year in Sundern to be enjoyable for warm weather travelers. The average high during this season is between 47.4°F (8.6°C) and 37.4°F (3°C). On average, it rains or snows a insignificant amount: consistently 0 times per month. These times of year are fairly slow with tourists.


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