The best times to visit Spodnja Idrija for ideal weather are

June 4th to September 23rd

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



Other Spodnja Idrija Travel Info

Weather in Spodnja Idrija


Average temperatures in Spodnja Idrija 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 26th 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 Spodnja Idrija, 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 86.5°F (30.3°C) with temperatures rarely dropping below 58.5°F (14.7°C) at night.

Spodnja Idrija Temperatures (Fahrenheit)


Spodnja Idrija 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.

Spodnja Idrija Perceived Temperature (F)


Spodnja Idrija Perceived Temperature (C)



Average Spodnja Idrija 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 42.2 36.8 31.6
Feb 41 34.9 29.2
Mar 50.8 41.8 33.3
Apr 59.7 49.8 39.7
May 66 56.1 46.8
Jun 76.1 63.7 51.5
Jul 81 68.7 56.9
Aug 79.8 67.4 55.6
Sep 68.5 58.6 50.1
Oct 60.2 52.3 46.2
Nov 52.3 44.5 38
Dec 44.5 36.4 29.9

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 5.7 2.7 -0.2
Feb 5 1.6 -1.6
Mar 10.4 5.4 0.7
Apr 15.4 9.9 4.3
May 18.9 13.4 8.2
Jun 24.5 17.6 10.8
Jul 27.2 20.4 13.8
Aug 26.6 19.7 13.1
Sep 20.3 14.8 10.1
Oct 15.7 11.3 7.9
Nov 11.3 6.9 3.3
Dec 6.9 2.4 -1.2



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Spodnja Idrija are December, July, 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 early to mid August. For example, on the week of August 6th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late January and early February with an average of 4 days of significant precipitation the week of January 29th.

When can you find snow in Spodnja Idrija? 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 Spodnja Idrija 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 Spodnja Idrija.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 29% 5.2 6.1
Feb 37% 8.1 6.9
Mar 28% 4.7 6.4
Apr 23% 1.4 3.2
May 34% 0 5.9
Jun 24% 0 2.8
Jul 21% 0 4.1
Aug 24% 0 4
Sep 28% 0 6.2
Oct 28% 0 4.4
Nov 24% 1.2 7.9
Dec 16% 7.4 3.1

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 29 13.2 15.5
Feb 37 20.6 17.5
Mar 28 11.9 16.3
Apr 23 3.6 8.1
May 34 0 15
Jun 24 0 7.1
Jul 21 0 10.4
Aug 24 0 10.2
Sep 28 0 15.7
Oct 28 0 11.2
Nov 24 3 20.1
Dec 16 18.8 7.9


Humidity and Wind

Spodnja Idrija has some very humid months, with other comfortably humid months. The least humid month is June (58.1% relative humidity), and the most humid month is January (80%).

Wind in Spodnja Idrija is usually extremely calm. The windiest month is February, followed by November and March. February’s average wind speed of around 4.4 knots (5 MPH or 8.1 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 February where average top sustained speeds reach 8.1 knots, which is considered a gentle breeze.

Relative Humidity (%)

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

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 3.8 Barely noticeable 6.3 Light breeze
Feb 4.4 Light breeze 7.1 Gentle breeze
Mar 4.2 Light breeze 7 Light breeze
Apr 3.8 Barely noticeable 6.6 Light breeze
May 3.9 Barely noticeable 6.5 Light breeze
Jun 3.5 Barely noticeable 6 Light breeze
Jul 3.5 Barely noticeable 6.3 Light breeze
Aug 3.5 Barely noticeable 6 Light breeze
Sep 3.5 Barely noticeable 5.5 Light breeze
Oct 3.8 Barely noticeable 6.3 Light breeze
Nov 4.3 Light breeze 6.8 Light breeze
Dec 3.7 Barely noticeable 6 Light breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 80%
Feb 76.4%
Mar 61.9%
Apr 59.2%
May 63.3%
Jun 58.1%
Jul 63.9%
Aug 64.3%
Sep 71.6%
Oct 77.2%
Nov 76.4%
Dec 78.2%


Is it Safe to Travel to Spodnja Idrija?

Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for Slovenia; 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 Spodnja Idrija, Slovenia is October, followed by January 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 Spodnja Idrija in April. 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 55.4 in April means 55.4% of the tourists vs. October.



Overall Spodnja Idrija Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 69°F (20.6°C) and 46.3°F (7.9°C) with warmer temperatures in the later months. Rain is somewhat common with 7 to 11 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 very comfortable weather with high temperatures that are comfortable. These months see the least precipitation with 6 to 7 days of precipitation per month. June – August is the second busiest season for tourism in Spodnja Idrija, so lodging and other accommodations may cost slightly more.

Fall (September through November)

Fall daily highs range from 73.8°F (23.2°C) and 43.4°F (6.3°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 7 to 9 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.

Winter (December through February)

Weather is too cold this time of year in Spodnja Idrija to be enjoyable for warm weather travelers. The average high during this season is between 47.3°F (8.5°C) and 36.9°F (2.7°C). On average, it rains or snows a fair amount: 5 to 10 times per month. These times of year are the busiest with tourists.


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