Janske Lazne
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Janske Lazne Weather in April

April in Janske Lazne brings moderate temperatures, with daytime highs of 12°C (54°F) and nights around 2°C (36°F). Rainfall is at its lowest this month, making it one of the more reliable months to be outdoors.

Rainfall in Janske Lazne in April

The risk of rain is at its lowest this month, making it a reliable choice for outdoor plans, even if temperatures are on the cooler side. Records from the past 30 years suggest around 14 days of rain, with 60 mm (2.4 in) average for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Janske Lazne in April

In April, Janske Lazne sees moderate temperatures, with highs of 12°C (54°F). Nights drop to around 2°C (36°F). The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 2°C (36°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Janske Lazne in April

The month experiences a moderate amount of sunlight, with 187 hours of sunshine. This provides a nice balance between sunshine and clouds.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July and August typically offer the best weather for Janske Lazne.

Janske Lazne Temperature in April

Min Temperature
2°C (36°F)
Max Temperature
12°C (54°F)
Chance of Rain
45%
Precipitation
60 mm (2.4 in)
Rainy days
14 days
Humidity
71% *
Sunshine
187 hours *
Percentage Sunshine
*
* Data from: Jelenia Góra, Poland (31 KM, 19 Miles).

Janske Lazne Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Janske Lazne - and find the best time to visit.

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Janske Lazne typically rise from around 6°C (43°F) at the start of April to approximately 9°C (48°F) by the end. Nights are very cold, with lows typically ranging from -3°C (27°F) to 2°C (36°F).

Average temperatures in April

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in April

Historical weather records for Janske Lazne in April

Browse day-by-day weather records for Janske Lazne spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Janske Lazne historical weather extremes in April

The extremes listed below come from historical weather data collected in Janske Lazne from 1976 through 2026.

  • On April 25, 1993, temperatures climbed to 24°C (75°F), marking the warmest April day on record.
  • Nighttime temperatures dropped to -14°C (7°F) on April 18, 1979, marking the coldest April night on record.

Best Places in Czech Republic in April

Find out more about the weather in Czech Republic and which places have the best travel conditions in this month. See all of Czech Republic in April →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Janske Lazne in April

Pack for changing conditions in Janske Lazne in April. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Rain gear is recommended, you can expect wet weather on multiple days. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Janske Lazne in April

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    5/10
  • Cycling
    6/10
  • Walking
    6/10
  • Camping
    4/10
  • Outdoor sports
    6/10

Janske Lazne 3-Day Forecast

More climate data for Janske Lazne

Popular in April

Where to go in April - average daytime high across popular destinations.

Bucket list

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