Oijärvi — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Oijärvi, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Oijärvi today is 5.6°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
❌ As of today, the minimum water temperature ranges from 41°F (5°C) to 47°F (8°C). This water temperature is still quite low, and swimming in such conditions may only be comfortable for hardened individuals. It is recommended to limit the time spent in the water to avoid hypothermia. For those not accustomed to cold water, it is better to refrain from swimming. However, if you decide to enter the water, it is advisable to wear a warm wetsuit for protection against the cold. It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Water Temperature Chart Over the Last 30 Days
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| OCT 4 | 5.7°C | 5.0°C | |
| OCT 5 | 5.6°C | 5.0°C | |
| OCT 6 | 5.3°C | 5.0°C | |
| OCT 7 | 5.4°C | 5.0°C | |
| OCT 8 | 5.5°C | 5.0°C | |
| OCT 9 | 6.0°C | 5.0°C | |
| OCT 10 | 5.3°C | 5.0°C | |
| OCT 11 | 5.6°C | 5.0°C | |
| OCT 12 | 5.0°C | 5.6°C | |
| OCT 13 | 5.0°C | 5.5°C | |
| OCT 14 | 5.0°C | 5.5°C | |
| OCT 15 | 5.0°C | 5.5°C | |
| OCT 16 | 5.0°C | 5.5°C | |
| OCT 17 | 5.0°C | 5.4°C | |
| OCT 18 | 5.0°C | 5.4°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 0°C | 0°C | 4°C |
| February | 0°C | 0°C | 4°C |
| March | 0°C | 0°C | 4°C |
| April | 0°C | 2°C | 4°C |
| May | 3°C | 8°C | 13°C |
| June | 9°C | 14°C | 20°C |
| July | 14°C | 20°C | 25°C |
| August | 12°C | 18°C | 23°C |
| September | 7°C | 12°C | 18°C |
| October | 1°C | 5°C | 8°C |
| November | 0°C | 0°C | 4°C |
| December | 0°C | 0°C | 4°C |
Oijärvi: Water Temperature by Location
Oijärvi: Weather Forecast
October 12
October 13
October 14
October 15
Location & Local Information
Oijärvi is a lake in the northern part of North Ostrobothnia, near the municipality of Ii, characterized by its northern location and natural setting. Swimming is permitted across its shores, including at local public beaches, a fundamental right secured by Finland's Everyman’s Rights. This principle grants recreational access to all natural waters, allowing swimming in the lake's clean water without special permission. Designated swimming spots often provide safer access and monitored water quality for bathers.
The water temperature in Oijärvi is largely dictated by the long northern winter. The lake is frozen for an extended period, typically from November to May, with the water under the thick ice layer holding a consistently very cold temperature, generally between 0∘C and 4∘C. The season for comfortable surface swimming is very brief, peaking in July. During this peak warm month, the surface temperature can reach an approximate range of 17∘C to 21∘C in shallower, sun-warmed areas. Outside of the summer peak, the water quickly cools, making it only suitable for the practice of cold-water swimming.