Hakodate Weather in May
Hakodate in May sees moderate temperatures, with highs around 13°C (55°F) and overnight lows of 8°C (46°F). Rainfall is fairly high at around 119 mm (4.7 in) on average, so pack waterproofs just in case.
Rainfall in Hakodate in May
Records from the past 30 years suggest around 18 days of rain, with 119 mm (4.7 in) average for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Hakodate in May
Daytime highs in Hakodate in May reach 13°C (55°F), with nights around 8°C (46°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 8°C (46°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Hakodate in May
Expect sunny days throughout the month, with an estimated 195 hours of sunshine. Despite the cool temperatures, the sunny skies make it a pleasant time to visit Hakodate.Our weather planner can help you find worldwide destinations with pleasant weather during this period. July typically offers the best weather for Hakodate.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Hakodate's climate page.
Hakodate Temperature in May
Min Temperature
8°C (46°F)
Max Temperature
13°C (55°F)
Chance of Rain
59%
Precipitation
119 mm (4.7 in)
Rainy days
18 days
Humidity
73%
Sunshine
195 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Hakodate typically rise from around 14°C (57°F) at the start of May to approximately 18°C (64°F) by the end. Nights are cool, with lows typically ranging from 6°C (43°F) to 10°C (50°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 Hakodate in May
Browse day-by-day weather records for Hakodate spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Hakodate historical weather extremes in May
Based on 50 years of weather observations in Hakodate between 1976 and 2026, these are the recorded extremes.
- Hakodate recorded its highest May temperature of 25°C (77°F) on May 25, 1994.
- The coldest May day was on May 15, 1979, with a maximum of 5°C (41°F).
- Nighttime temperatures dropped to -1°C (30°F) on May 4, 1977, marking the coldest May night on record.
- Peak precipitation in May occurred on May 4, 2012, when 58 mm (2.3 in) of precipitation was measured.
Best Places in Japan in May
Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in May →
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What to Wear in Hakodate in May
The weather can be unpredictable in May, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Hakodate 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 Japan, check out our Hakodate's climate page.
Temperature Rainfall Sunshine Humidity
See the full Hakodate climate overview or explore weather in Japan.
