Seinajoki Weather: May
 |
Average Day Temperature: | 56.8°F |
|
Average Night Temperature: | 41.7°F |
|
Sea Water Temperature: | 40.0°F |
|
Number of Sunny Days: | 11 days |
| Sunshine Hours: | 16.5 - 19.3 hours | |
|
Number of Rainy Days: | 3 days |
| Precipitation Totals: | 1.4 in | |
| detailed information | ||
forecast
| Seinajoki |
Temperature
| Seinajoki |
Air Temperature in May, °F
The highest day temperature in May 2026 was 72°F. The lowest night temperature was 28°F. The average values for day and night temperatures during May were 56.9°F и 42.5°F respectivly.
Seinajoki Water Sea Temperature in May, °F
The average sea surface temperature in May 2026 for Seinajoki was 45.8°F. The maximum and minimum values were 40.2°F and 55.8°F respectively.
You can expect various weather conditions during May. Be ready for sunny, cloudy or even gloomy days.
Precipitation Totals in May, in
Precipitation total in May for Seinajoki is 1.4 in.
The average wind speed in May is 7.7 mph. This value is relatively stable throughout the year.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Seinajoki in May is 9.9 hours.
Seinajoki on the Weather Map
| Espoo |  |
+60 |
| Helsinki | |
+56 |
| Imatra |  |
+50 |
| Juvaskyla | |
+58 |
| Kemi |  |
+44 |
| Koli National Park | |
+50 |
| Kotka |  |
+52 |
| Lahti | |
+58 |
| Oulu | |
+54 |
| Pori | |
+60 |
| Porvoo | |
+58 |
| Saariselka |  |
+52 |
| Turku | |
+60 |
| Vaasa | |
+54 |
| Vantaa | |
+60 |
| 1200 |  |
70°F | SW 3 mph |
| 1500 | |
74°F | SW 4 mph |
| 1800 | |
74°F | SW 4 mph |
| 2100 | |
64°F | S 6 mph |
| 0000 |  |
52°F | SW 4 mph |
| 0300 | |
52°F | NW 4 mph |
| 0600 |  |
52°F | NW 4 mph |
| 0900 | |
62°F | NW 4 mph |