The best times to visit Jablonec nad Nisou for ideal weather are

May 21st to September 9th

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



Other Jablonec nad Nisou Travel Info

Weather in Jablonec nad Nisou


Average temperatures in Jablonec nad Nisou vary drastically. 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 24th 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 Jablonec nad Nisou, 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 76.8°F (24.9°C) with temperatures rarely dropping below 54.6°F (12.6°C) at night.

Jablonec nad Nisou Temperatures (Fahrenheit)


Jablonec nad Nisou 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.

Jablonec nad Nisou Perceived Temperature (F)


Jablonec nad Nisou Perceived Temperature (C)



Average Jablonec nad Nisou 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 34.9 30.8 25.9
Feb 36.9 31.3 25.6
Mar 46.9 38.5 30.4
Apr 58.4 48 37.1
May 64.6 54.7 43.8
Jun 70.6 60.5 49.4
Jul 75.2 64.6 53.7
Aug 74.4 63.7 52.7
Sep 64.6 55.1 46.1
Oct 54 46.7 39.5
Nov 45 40.6 35.8
Dec 36.4 32.6 28.1

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 1.6 -0.7 -3.4
Feb 2.7 -0.4 -3.6
Mar 8.3 3.6 -0.9
Apr 14.7 8.9 2.8
May 18.1 12.6 6.6
Jun 21.4 15.8 9.7
Jul 24 18.1 12.1
Aug 23.6 17.6 11.5
Sep 18.1 12.8 7.8
Oct 12.2 8.2 4.2
Nov 7.2 4.8 2.1
Dec 2.4 0.3 -2.2



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Jablonec nad Nisou are April, February, and then November. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid April. For example, on the week of April 16th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in late May to early June with an average of 3 days of significant precipitation the week of May 28th.

When can you find snow in Jablonec nad Nisou? Weather stations report large amounts of snow likely to be deepest around February, especially close to mid February. The best time to ski (if at all) in Jablonec nad Nisou is often around around February 12th 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 Jablonec nad Nisou.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Jablonec nad Nisou (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 32% 5.8 3.1
Feb 20% 7.6 1.7
Mar 25% 2.2 2.3
Apr 14% 0.7 1.4
May 29% 0.4 3.4
Jun 29% 0.6 3.7
Jul 32% 0.4 5.2
Aug 25% 1 4.6
Sep 25% 0 3
Oct 21% 2.7 2.3
Nov 20% 3.6 2.4
Dec 25% 4.7 2.6

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 32 14.7 7.9
Feb 20 19.3 4.3
Mar 25 5.6 5.8
Apr 14 1.8 3.6
May 29 1 8.6
Jun 29 1.5 9.4
Jul 32 1 13.2
Aug 25 2.5 11.7
Sep 25 0 7.6
Oct 21 6.9 5.8
Nov 20 9.1 6.1
Dec 25 11.9 6.6


Humidity and Wind

Jablonec nad Nisou has some very humid months, with other comfortably humid months. The least humid month is April (56.2% relative humidity), and the most humid month is December (80%).

Wind in Jablonec nad Nisou is usually calm. The windiest month is January, followed by December and November. January’s average wind speed of around 7.6 knots (8.7 MPH or 14 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 January where average top sustained speeds reach 14.3 knots, which is considered a moderate breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Jablonec nad Nisou.

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 7.6 Gentle breeze 12.7 Significant breeze
Feb 6.9 Light breeze 11.6 Significant breeze
Mar 6.8 Light breeze 11.9 Significant breeze
Apr 5.8 Light breeze 10.5 Gentle breeze
May 5.3 Light breeze 10.1 Significant breeze
Jun 5.1 Light breeze 9.9 Gentle breeze
Jul 5.1 Light breeze 9.8 Significant breeze
Aug 4.7 Light breeze 8.9 Gentle breeze
Sep 5 Light breeze 9.2 Significant breeze
Oct 5.7 Light breeze 9.8 Gentle breeze
Nov 7.1 Gentle breeze 11.5 Significant breeze
Dec 7.3 Gentle breeze 12 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 79.6%
Feb 73.9%
Mar 65.2%
Apr 56.2%
May 59.4%
Jun 60.9%
Jul 60.3%
Aug 61.5%
Sep 70%
Oct 74.6%
Nov 78.6%
Dec 80%


Is it Safe to Travel to Jablonec nad Nisou?

Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for the Czech Republic; 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 Aug 22, 2019.


The Busiest and Least Crowded Months

The busiest month for tourism in Jablonec nad Nisou, Czechia is August, followed by July and September. 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 Jablonec nad Nisou in November. 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 71.1 in November means 71.1% of the tourists vs. August.



Overall Jablonec nad Nisou Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 68.2°F (20.1°C) and 43.1°F (6.2°C) with warmer temperatures in the later months. Rain is somewhat common with 4 to 9 days of significant precipitation per month. Spring is fairly slow 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 8 to 10 days of precipitation per month. June – August is the busiest season for tourism in Jablonec nad Nisou, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 67.8°F (19.9°C) and 38.1°F (3.4°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 6 to 7 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 far too cold this time of year in Jablonec nad Nisou to be enjoyable for warm weather travelers. The average high during this season is between 43.1°F (6.2°C) and 30.8°F (-0.7°C). On average, it rains or snows a fair amount: 6 to 10 times per month. These times of year are the second busiest with tourists.


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