Isojoki, South Ostrobothnia Climate
Finland
Pop. 1,771 Elev. 114 m / 374 ft
TZ: Europe/Helsinki (UTC+3) ·
Isojoki sees mild summers peaking at 77°F (25°C) in July, and frigid winters that bottom out around 22°F (-6°C) in February. Precipitation occurs on roughly 58 days per year (28.5 in / 723 mm total), with snow on 8 days and 44 in (1126 mm) of annual accumulation. The city averages 59 sunny days per year and around 24 thunderstorm days. Ocean water temperatures reach 72°F (22°C) in summer.
| Temperature | 25°C (77°F) high | -6°C (22°F) low |
| Feels like | -6°C (22°F) low | |
| Rain | 58 days | 723 mm (28.5 in) /yr |
| Snow | 8 days | 1126 mm (44.3 in) /yr |
| Sky | 59 sunny | 24 stormy |
| Wind | 1.1 m/s (2.4 mph) avg |
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Explore on the MapMonthly Climate Chart
Sky & Air by Month
Cloud cover (%)
83
Jan 76
Feb 70
Mar 63
Apr 59
May 71
Jun 50
Jul 63
Aug 76
Sep 77
Oct 84
Nov 82
Dec Humidity (%)
90
Jan 92
Feb 77
Mar 65
Apr 61
May 70
Jun 67
Jul 80
Aug 86
Sep 87
Oct 93
Nov 90
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 72 km Pori Airport (POR)
Ski resort 26 km
National park 11 km Lauhanvuoren kansallispuisto
Mountain peak
(1,828 m) 589 km Tarrekaise
Hospital 0 km Suupohjan sote-keskus, Isojoen toimipiste
Hiking trail 6 km Yhdysreitti Kivijata - Lauhansarvi
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | -1°C 31°F | -5°C 22°F | 17 mm 0.7 in | 382 mm15.0 in | 2 |
| February | 0°C 31°F | -6°C 22°F | 6 mm 0.2 in | 119 mm4.7 in | 5 |
| March | 5°C 41°F | -3°C 26°F | 16 mm 0.6 in | 173 mm6.8 in | 6 |
| April | 9°C 49°F | 0°C 31°F | 36 mm 1.4 in | 120 mm4.7 in | 6 |
| May | 13°C 55°F | 3°C 38°F | 61 mm 2.4 in | 1 mm0.1 in | 9 |
| June | 17°C 63°F | 8°C 46°F | 94 mm 3.7 in | — | 3 |
| July | 25°C 77°F | 13°C 56°F | 87 mm 3.4 in | — | 15 |
| August | 18°C 65°F | 9°C 49°F | 123 mm 4.8 in | — | 3 |
| September | 17°C 62°F | 9°C 49°F | 104 mm 4.1 in | — | 1 |
| October | 9°C 48°F | 4°C 39°F | 65 mm 2.5 in | 0 mm0.0 in | 5 |
| November | 4°C 39°F | -1°C 31°F | 61 mm 2.4 in | 129 mm5.1 in | 0 |
| December | 3°C 37°F | -1°C 30°F | 53 mm 2.1 in | 203 mm8.0 in | 4 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 2 | 0 |
| February | 5 | 0 |
| March | 6 | 0 |
| April | 6 | 1 |
| May | 9 | 1 |
| June | 3 | 3 |
| July | 15 | 6 |
| August | 3 | 8 |
| September | 1 | 5 |
| October | 5 | 0 |
| November | 0 | 0 |
| December | 4 | 0 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 1°C 34°F | 0°C 32°F |
| February | 1°C 33°F | 0°C 32°F |
| March | 2°C 36°F | 1°C 33°F |
| April | 5°C 41°F | 5°C 41°F |
| May | 10°C 50°F | 9°C 48°F |
| June | 13°C 56°F | 14°C 57°F |
| July | 22°C 72°F | 20°C 68°F |
| August | 22°C 72°F | 16°C 60°F |
| September | 16°C 60°F | 14°C 56°F |
| October | 12°C 54°F | 6°C 44°F |
| November | 8°C 47°F | 3°C 38°F |
| December | 5°C 41°F | 2°C 35°F |