Västerås Weather in May
May in Västerås brings moderate temperatures, with daytime highs of 17°C (63°F) and nights around 5°C (41°F). Expect around 54 mm (2.1 in) of rainfall during the month.
Rainfall in Västerås in May
Looking at the last 30 years, the data shows about 11 days with rain, averaging 54 mm (2.1 in) for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Västerås in May
If you're visiting Västerås in May, expect highs of 17°C (63°F) and overnight lows around 5°C (41°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights fall to 5°C (41°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Västerås in May
The city usually sees around 277 hours of sunlight, indicating many sunny days — a great month for sightseeing.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 Västerås.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Sweden, check out our Västerås's climate page.
Västerås Temperature in May
Min Temperature
5°C (41°F)
Max Temperature
17°C (63°F)
Chance of Rain
35%
Precipitation
54 mm (2.1 in)
Rainy days
11 days
Sunshine
277 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Västerås typically rise from around 13°C (55°F) at the start of May to approximately 18°C (64°F) by the end. Nights are cold, with lows typically ranging from 2°C (36°F) to 8°C (46°F).
Average temperatures in May
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 May
Historical weather for Västerås in May
Browse day-by-day weather records for Västerås spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Västerås historical weather extremes in May
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Västerås.
- Västerås recorded its highest May temperature of 28°C (82°F) on May 24, 2014.
- The coldest May day was on May 1, 1981, with a maximum of 2°C (36°F).
- Nighttime temperatures dropped to -6°C (21°F) on May 9, 2017, marking the coldest May night on record.
Best Places in Sweden in May
Find out more about the weather in Sweden and which places have the best travel conditions in this month. See all of Sweden in May →
perfect weather
pleasant
tolerable
unpleasant
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What to Wear in Västerås in May
Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Västerås in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Sweden, check out our Västerås's climate page.
See the full Västerås climate overview or explore weather in Sweden.
