Interlaken
May
Weather in Interlaken for May 2026
Your guide to Interlaken weather in May - trends and predictions
Heat Warning - See hour by hour.
So far, May 2026 in Interlaken is slightly warmer than the historical average by 1.8 °C.
Expect cooler weather in the next days in Interlaken with the forecast suggesting a temperature of 18.6 °C, lower than the historical average.
In general, the average temperature in Interlaken at the beginning of May is 11.1 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 18.3 °C by the end of May.
Interlaken experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 187.7 mm.
Official Weather Alert ⚠️
Temperatures
Rain 🌧️
0
Dry days
31
Rainy days
0
Snow days
12°/4°
Temperatures
8 km/h
Avg max wind
83 %
Avg humidity
Interlaken Weather May
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Temperatures trend during May in Interlaken
See the weather trend as well as the moving average line
May weather in Interlaken day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Moderate or heavy rain shower | 13° /3° | 8.5 mm | 3 | |
| 2 May | Moderate rain at times | 12° /3° | 5.4 mm | 3 | |
| 3 May |  Cloudy | 12° /2° | 3.9 mm | 3 | |
| 4 May |  Patchy rain possible | 12° /2° | 4.7 mm | 3 | |
| 5 May | Moderate or heavy rain shower | 11° /3° | 9 mm | 3 | |
| 6 May | Moderate or heavy rain shower | 9° /3° | 10.5 mm | 2 | |
| 7 May |  Light rain | 9° /3° | 7.6 mm | 3 | |
| 8 May | Patchy rain possible | 11° /2° | 2.5 mm | 3 | |
| 9 May | Patchy rain possible | 13° /3° | 3.3 mm | 3 | |
| 10 May | Patchy rain possible | 13° /4° | 5 mm | 4 | |
| 11 May | Patchy rain possible | 13° /4° | 7 mm | 3 | |
| 12 May | Patchy rain possible | 11° /3° | 9.7 mm | 3 | |
| 13 May | Patchy rain possible | 11° /3° | 5.2 mm | 3 | |
| 14 May | Moderate or heavy rain shower | 12° /3° | 4.7 mm | 3 | |
| 15 May |  Heavy rain at times | 11° /2° | 6 mm | 3 | |
| 16 May | Heavy rain at times | 10° /3° | 13.9 mm | 3 | |
| 17 May |  Overcast | 11° /2° | 2.5 mm | 3 | |
| 18 May | Moderate rain at times | 12° /3° | 3.5 mm | 3 | |
| 19 May | Patchy rain possible | 13° /3° | 2.2 mm | 4 | |
| 20 May |  Patchy light rain with thunder | 15° /5° | 5.5 mm | 4 | |
| 21 May | Heavy rain at times | 13° /6° | 12.8 mm | 3 | |
| 22 May | Patchy rain possible | 15° /5° | 6.7 mm | 4 | |
| 23 May | Moderate or heavy rain shower | 14° /5° | 7.8 mm | 4 | |
| 24 May | Heavy rain at times | 13° /4° | 6.4 mm | 4 | |
| 25 May | Patchy rain possible | 15° /5° | 3 mm | 4 | |
| 26 May | Patchy rain possible | 16° /6° | 1.9 mm | 4 | |
| 27 May | Moderate rain at times | 16° /6° | 6.1 mm | 4 | |
| 28 May | Patchy rain possible | 20° /9° | 0.3 mm | 9.1 | |
| 29 May |  Sunny | 20° /8° | 0 mm | 8.8 | |
| 30 May | Patchy rain possible | 21° /10° | 0.3 mm | 8.1 | |
| 31 May |  Moderate rain | 20° /10° | 15.6 mm | 7 | |
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Important Notice
Our weather forecast for Interlaken in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Interlaken forecast closer to your planned date for the most up-to-date weather information.
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Interlaken in May - FAQ
What are the expected maximum and minimum temperatures in Interlaken during May?
Prepare for cooler days with highs just around 12° and colder nights, dipping below 4°.
How much rainfall should be expected in Interlaken during May?
Significant rainfall exceeding 187.7 mm is expected in Interlaken during May, occurring over more than 31 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Interlaken during May?
The average wind speed in Interlaken during May is 8 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Interlaken
Explore the daily rainfall trends and prepare for Interlakens May weather 💧
Typically, Interlaken has 31 rainy days in May with a total of 187.7 mm of rainfall.
UV exposure in Interlaken during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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