The best times to visit Rheinfelden for ideal weather are

May 7th to October 21st

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



Other Rheinfelden Travel Info

Weather in Rheinfelden


Average temperatures in Rheinfelden vary greatly. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 34th 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 Rheinfelden, 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 78.7°F (25.9°C) with temperatures rarely dropping below 57.7°F (14.3°C) at night.

Rheinfelden Temperatures (Fahrenheit)


Rheinfelden 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.

Rheinfelden Perceived Temperature (F)


Rheinfelden Perceived Temperature (C)



Average Rheinfelden 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 41.3 36.5 32.1
Feb 39.9 33.6 28.2
Mar 53.4 43.3 34.5
Apr 60.4 50.5 41
May 67.1 56.8 47.2
Jun 73.5 63.1 53.3
Jul 76.6 66.3 56.4
Aug 76.3 65.8 56.6
Sep 68.7 58.9 51.1
Oct 59 51.5 45.9
Nov 48.3 43.1 38.5
Dec 42.7 37.7 33.2

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 5.2 2.5 0.1
Feb 4.4 0.9 -2.1
Mar 11.9 6.3 1.4
Apr 15.8 10.3 5
May 19.5 13.8 8.4
Jun 23.1 17.3 11.8
Jul 24.8 19.1 13.6
Aug 24.6 18.8 13.7
Sep 20.4 14.9 10.6
Oct 15 10.8 7.7
Nov 9.1 6.2 3.6
Dec 5.9 3.2 0.7



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Rheinfelden are March, February, and then September. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid March. For example, on the week of March 12th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid December with an average of 3 days of significant precipitation the week of December 17th.

When can you find snow in Rheinfelden? 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 Rheinfelden.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 27% 0 2.7
Feb 16% 0 1.6
Mar 14% 0 1.1
Apr 25% 0 2.8
May 30% 0 3.2
Jun 29% 0 3.7
Jul 30% 0 4.2
Aug 24% 0 2.4
Sep 22% 0 2.9
Oct 22% 0 2.6
Nov 24% 0 3.1
Dec 31% 0 3.3

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 27 0 6.9
Feb 16 0 4.1
Mar 14 0 2.8
Apr 25 0 7.1
May 30 0 8.1
Jun 29 0 9.4
Jul 30 0 10.7
Aug 24 0 6.1
Sep 22 0 7.4
Oct 22 0 6.6
Nov 24 0 7.9
Dec 31 0 8.4


Humidity and Wind

Rheinfelden has some extremely humid months, and above average humidity throughout the year. The least humid month is July (67.5% relative humidity), and the most humid month is December (88.8%).

Wind in Rheinfelden is usually calm. The windiest month is December, followed by November and January. December’s average wind speed of around 6.5 knots (7.4 MPH or 12 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 early to mid December where average top sustained speeds reach 13.6 knots, which is considered a moderate breeze.

Relative Humidity (%)

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

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 5.6 Light breeze 11.2 Significant breeze
Feb 5 Light breeze 10.3 Gentle breeze
Mar 4.9 Light breeze 10.6 Significant breeze
Apr 4.2 Light breeze 9.6 Gentle breeze
May 4 Light breeze 9.8 Significant breeze
Jun 3.7 Barely noticeable 8.7 Gentle breeze
Jul 3.9 Barely noticeable 9.2 Significant breeze
Aug 3.9 Barely noticeable 9.5 Gentle breeze
Sep 4 Light breeze 9.2 Significant breeze
Oct 5.4 Light breeze 10.4 Gentle breeze
Nov 6.4 Light breeze 11.4 Significant breeze
Dec 6.5 Light breeze 11.8 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 87%
Feb 76.6%
Mar 68%
Apr 67.8%
May 71.1%
Jun 68%
Jul 67.5%
Aug 70.4%
Sep 78.1%
Oct 85.4%
Nov 88.5%
Dec 88.8%


Is it Safe to Travel to Rheinfelden?

Our best data indicates this area is generally safe. As of Dec 04, 2023 there are no travel advisories or warnings for Switzerland; 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 Nov 14, 2023.


The Busiest and Least Crowded Months

The busiest month for tourism in Rheinfelden, Switzerland is June, followed by February and October. 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 Rheinfelden 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 slightly extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 48.4 in December means 48.4% of the tourists vs. June.



Overall Rheinfelden Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 70.2°F (21.2°C) and 46.4°F (8°C) with warmer temperatures in the later months. Rain is somewhat common with 4 to 9 days of significant precipitation per month. Spring is the slowest for tourism, which makes it a good time for those looking for deals.

Summer (June through August)

The middle-year months have comfortably cool weather with high temperatures that are comfortable. These months see the most precipitation with 7 to 9 days of precipitation per month. June – August is the busiest season for tourism in Rheinfelden, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 73.2°F (22.9°C) and 42.4°F (5.8°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: approximately 7 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 Rheinfelden to be enjoyable for warm weather travelers. The average high during this season is between 46.4°F (8°C) and 37.4°F (3°C). On average, it rains or snows a fair amount: 5 to 10 times per month. These times of year are fairly slow with tourists.


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