2026 Climate Averages

Brno: Weather Guide & Climate

Complete month-by-month weather guide: Brno. Best time to visit: May, June, September, October. Plan your trip with detailed climate data.

☀️ Climate Overview

Brno has a Moderate climate with average yearly highs of 15°C, lows of 7°C, and approximately 10 rainy days per month.

The best time to visit Brno is during May, June, September, October, when conditions are perfect for sightseeing and exploration

Drier season: Jan–Nov Wetter season: May–Dec

Now

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Feels like --
Wind --
Humidity --
UV Index --
Local time —

Air Quality

Best Time

J F M A M J J A S O N D
Conditions Excellent

Hottest

26°C July
Avg Low 16°C
Rain 12 days

Coldest

-1°C January
Avg High 4°C
Rain 10 days

Driest Month

7 rainy days March
Avg High 11°C
Avg Low 2°C

Windiest Month

19 km/h

February (gusts 41)

Forecast for your trip dates

Up to 14 days ahead

Weather by Season

Spring

Mar–May

High 15°C
Low 5°C
Rain 10 days
Crowds
Moderate
Travel Costs Shoulder Rates

Summer

Jun–Aug

High 26°C
Low 16°C
Rain 12 days
Crowds
Busy
Travel Costs Shoulder Rates

Autumn

Sep–Nov

High 15°C
Low 8°C
Rain 9 days
Crowds
Busy
Travel Costs Shoulder Rates

Winter

Dec–Feb

High 5°C
Low 0°C
Rain 10 days
Crowds
Quiet
Travel Costs Value Rates

Month-by-Month Weather Table

January

Good
4° / -1°
10d (35mm)
4h
85% Very Humid
UV 1.4 Low

February

Good
7° / 1°
9d (33mm)
6h
77% Humid
UV 2.6 Moderate

March

Good
11° / 2°
7d (34mm)
8.4h
67% Humid
UV 4.8 Moderate

April

Good
14° / 5°
9d (43mm)
9.9h
65% Humid
UV 6.6 High

May

Best
Excellent
19° / 9°
13d (72mm)
10.6h
67% Humid
UV 7.5 Very High

June

Best
Excellent
25° / 15°
12d (86mm)
12.1h
69% Humid
UV 8.5 Very High

July

Good
26° / 16°
12d (76mm)
12.2h
66% Humid
UV 8.2 Very High

August

Good
26° / 16°
11d (87mm)
10.4h
70% Humid
UV 6.7 High

September

Best
Excellent
21° / 12°
10d (92mm)
8.7h
75% Humid
UV 4.9 Moderate

October

Best
Excellent
15° / 8°
9d (43mm)
6.5h
81% Very Humid
UV 3 Moderate

November

Good
8° / 3°
8d (47mm)
4h
87% Very Humid
UV 1.5 Low

December

Good
4° / 1°
11d (51mm)
2.7h
88% Very Humid
UV 1 Low

⚖️Find Your Ideal Month

Adjust the sliders to weight what matters most to you.

5
3
3
Your Best MonthJulScore: 7
1.Jul
72.Aug
73.Mar
5.64.Apr
5.65.Feb
5.26.Jun
5.27.Sep
4.78.Dec
4.79.Jan
4.310.May
4.311.Nov
4.212.Oct
3.4

Where to Stay

See hotels, apartments & rentals around Brno – live prices from Booking.com, Expedia, Vrbo and more

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Brno

Modernist villas with Tugendhat Villa (UNESCO), Capuchin Crypt mummies, underground ossuary, wine region, and student energy.

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Ready to Plan Your Brno Trip?

Get strategic travel tips, seasonal insights, and expert recommendations.

Frequently Asked Questions

What type of climate does Brno have?
Brno has a moderate climate with average yearly temperatures of 15°C and 7°C.
When is the best time to visit Brno?
The best time to visit Brno is during May, June, September, October, when temperatures average around 19°C and conditions are ideal for sightseeing.
What are the hottest and coldest months in Brno?
The hottest month in Brno is July with average highs of 26°C, while the coldest is January with average lows of -1°C.
When is the rainy season in Brno?
Brno sees the most rain in May (13 rainy days), while March is the driest month (7 rainy days).
Does it get cold at night in Brno?
Night temperatures vary throughout the year. The coldest nights are in January (-1°C), while July has the warmest evenings (16°C). Pack layers for cooler months.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Last Updated: February 2026

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