The best times to visit Ulm 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 Ulm Travel Info

Weather in Ulm


Average temperatures in Ulm 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 55th 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 Ulm, 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 76°F (24.4°C) with temperatures rarely dropping below 56.3°F (13.5°C) at night.

Ulm Temperatures (Fahrenheit)


Ulm 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.

Ulm Perceived Temperature (F)


Ulm Perceived Temperature (C)



Average Ulm 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 36.9 32.5 28.1
Feb 38.4 32.1 26.1
Mar 48.6 39.9 31.9
Apr 59.2 49.3 39.2
May 64.8 55.7 46.4
Jun 70.6 61.8 52.9
Jul 74.5 65 55.7
Aug 73.3 64 55.1
Sep 64.3 55.5 47.7
Oct 54.8 47.4 41.1
Nov 44.9 39.8 35
Dec 38.2 33.7 29.2

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 2.7 0.3 -2.2
Feb 3.6 0.1 -3.3
Mar 9.2 4.4 -0.1
Apr 15.1 9.6 4
May 18.2 13.2 8
Jun 21.4 16.6 11.6
Jul 23.6 18.3 13.2
Aug 22.9 17.8 12.8
Sep 17.9 13.1 8.7
Oct 12.7 8.6 5.1
Nov 7.2 4.3 1.7
Dec 3.4 0.9 -1.6



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Ulm 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 early to mid May with an average of 1 days of significant precipitation the week of May 7th.

When can you find snow in Ulm? 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 Ulm.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Ulm (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% 0 0
Feb 0% 0 0
Mar 0% 0 0
Apr 0% 0 0
May 6% 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% 0 0
Dec 0% 0 0

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 0 0 0
Feb 0 0 0
Mar 0 0 0
Apr 0 0 0
May 6 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 0 0
Dec 0 0 0


Humidity and Wind

Ulm has some extremely humid months, with other comfortably humid months. The least humid month is April (58.1% relative humidity), and the most humid month is November (85.5%).

Wind in Ulm is usually calm. The windiest month is March, followed by December and January. March’s average wind speed of around 6.6 knots (7.6 MPH or 12.2 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late March where average top sustained speeds reach 12.5 knots, which is considered a moderate breeze.

Relative Humidity (%)

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

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 6.4 Light breeze 10.9 Gentle breeze
Feb 6 Light breeze 10.4 Gentle breeze
Mar 6.6 Light breeze 11.7 Gentle breeze
Apr 5.4 Light breeze 10.1 Gentle breeze
May 5.4 Light breeze 10.4 Gentle breeze
Jun 4.8 Light breeze 9.5 Gentle breeze
Jul 5.1 Light breeze 10 Gentle breeze
Aug 4.6 Light breeze 9.1 Gentle breeze
Sep 4.6 Light breeze 8.6 Gentle breeze
Oct 4.8 Light breeze 8.7 Gentle breeze
Nov 5.7 Light breeze 9.8 Gentle breeze
Dec 6.5 Light breeze 10.9 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 83.6%
Feb 76.6%
Mar 65.5%
Apr 58.1%
May 62.8%
Jun 63.9%
Jul 61.6%
Aug 64.8%
Sep 73.4%
Oct 81.9%
Nov 85.5%
Dec 84.4%


Is it Safe to Travel to Ulm?

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 Ulm, Germany is September, followed by August and February. 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 Ulm in December. 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 somewhat extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 38.6 in December means 38.6% of the tourists vs. September.



Overall Ulm Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 68.8°F (20.4°C) and 45°F (7.2°C) with warmer temperatures in the later months. Rain is extremely rare with 0 to 2 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 comfortably cool weather with high temperatures that are comfortable. These months see the least precipitation with about 0 days of precipitation per month. June – August is fairly slow season for tourism in Ulm, so lodging and other accommodations may cost slightly less.

Fall (September through November)

Fall daily highs range from 66.9°F (19.4°C) and 38.4°F (3.6°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 busiest during these months due to the weather, so hotels may be higher priced.

Winter (December through February)

Weather is far too cold this time of year in Ulm to be enjoyable for warm weather travelers. The average high during this season is between 45°F (7.2°C) and 33.9°F (1.1°C). On average, it rains or snows a insignificant amount: consistently 0 times per month. These times of year are the slowest with tourists.


Best Times to TravelGermany › Ulm, Germany