The best times to visit Siedlce for ideal weather are

May 14th 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 Siedlce Travel Info

Weather in Siedlce


Average temperatures in Siedlce vary drastically. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 35th 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 Siedlce, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally early to mid August where highs are regularly around 79.2°F (26.2°C) with temperatures rarely dropping below 57.5°F (14.2°C) at night.

Siedlce Temperatures (Fahrenheit)


Siedlce 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.

Siedlce Perceived Temperature (F)


Siedlce Perceived Temperature (C)



Average Siedlce 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 32.6 28.1 23.5
Feb 34.1 28.8 23.4
Mar 45.7 37.8 30.3
Apr 58.1 48 37.4
May 66.8 56.6 45.9
Jun 72.4 62.4 51.8
Jul 77.1 66.7 56.4
Aug 76.3 65.4 54.9
Sep 65.4 55.9 46.9
Oct 54 45.7 37.7
Nov 44.5 39.5 34.6
Dec 35.6 31.3 26.7

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 0.3 -2.2 -4.7
Feb 1.2 -1.8 -4.8
Mar 7.6 3.2 -0.9
Apr 14.5 8.9 3
May 19.3 13.7 7.7
Jun 22.4 16.9 11
Jul 25.1 19.3 13.6
Aug 24.6 18.6 12.7
Sep 18.6 13.3 8.3
Oct 12.2 7.6 3.2
Nov 6.9 4.2 1.4
Dec 2 -0.4 -2.9



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Siedlce are October, February, and then April. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late October to early November. For example, on the week of October 29th 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 2 days of significant precipitation the week of May 7th.

When can you find snow in Siedlce? Weather stations report large amounts of snow likely to be deepest around April, especially close to early April. The best time to ski (if at all) in Siedlce 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 Siedlce.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 19% 3.8 1.8
Feb 13% 4.2 1
Mar 15% 1.5 1.2
Apr 13% 4.3 1.4
May 28% 0.4 3.2
Jun 25% 0 3.2
Jul 25% 0 3.1
Aug 18% 0 2.5
Sep 20% 0 2.4
Oct 12% 1.3 1.2
Nov 14% 0.9 1.4
Dec 14% 3.2 1.4

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 19 9.7 4.6
Feb 13 10.7 2.5
Mar 15 3.8 3
Apr 13 10.9 3.6
May 28 1 8.1
Jun 25 0 8.1
Jul 25 0 7.9
Aug 18 0 6.4
Sep 20 0 6.1
Oct 12 3.3 3
Nov 14 2.3 3.6
Dec 14 8.1 3.6


Humidity and Wind

Siedlce has some extremely humid months, with other comfortably humid months. The least humid month is April (59% relative humidity), and the most humid month is November (87.3%).

Wind in Siedlce is usually calm. The windiest month is January, followed by March and December. January’s average wind speed of around 7.1 knots (8.1 MPH or 13.1 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 January where average top sustained speeds reach 10.8 knots, which is considered a gentle breeze.

Relative Humidity (%)

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

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 7.1 Gentle breeze 10.3 Gentle breeze
Feb 6.2 Light breeze 9.2 Gentle breeze
Mar 6.8 Light breeze 10.3 Gentle breeze
Apr 5.7 Light breeze 9.5 Gentle breeze
May 5.1 Light breeze 8.6 Gentle breeze
Jun 4.9 Light breeze 8.3 Gentle breeze
Jul 4.9 Light breeze 8.4 Gentle breeze
Aug 4.7 Light breeze 8.1 Gentle breeze
Sep 4.9 Light breeze 8 Gentle breeze
Oct 5.2 Light breeze 8.2 Gentle breeze
Nov 6.4 Light breeze 9.3 Gentle breeze
Dec 6.5 Light breeze 9.4 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 84.2%
Feb 80.3%
Mar 67.4%
Apr 59%
May 66.2%
Jun 67.3%
Jul 67.7%
Aug 66.6%
Sep 75.9%
Oct 78.8%
Nov 87.3%
Dec 86.7%


Is it Safe to Travel to Siedlce?

Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for Poland; 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 Sep 24, 2019.


The Busiest and Least Crowded Months

The busiest month for tourism in Siedlce, Poland is July, followed by September and June. 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 Siedlce 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 extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 60.3 in November means 60.3% of the tourists vs. July.



Overall Siedlce Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 70.1°F (21.2°C) and 40.4°F (4.7°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 very comfortable weather with high temperatures that are comfortable. These months see the most precipitation with 6 to 8 days of precipitation per month. June – August is the busiest season for tourism in Siedlce, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 68.1°F (20.1°C) and 38.3°F (3.5°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 4 to 6 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 far too cold this time of year in Siedlce to be enjoyable for warm weather travelers. The average high during this season is between 40.4°F (4.7°C) and 27.4°F (-2.6°C). On average, it rains or snows a fair amount: 4 to 6 times per month. These times of year are the slowest with tourists.


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