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 19.1°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 65°F (18°C) to 68°F (20°C). This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming. 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 |
|---|---|---|---|
| JUL 14 | 19.6°C | 20.0°C | |
| JUL 15 | 20.3°C | 20.0°C | |
| JUL 16 | 20.3°C | 20.0°C | |
| JUL 17 | 20.1°C | 20.0°C | |
| JUL 18 | 20.4°C | 20.0°C | |
| JUL 19 | 20.0°C | 20.0°C | |
| JUL 20 | 20.0°C | 20.0°C | |
| JUL 21 | 19.1°C | 20.0°C | |
| JUL 22 | 20.0°C | 19.1°C | |
| JUL 23 | 20.0°C | 19.2°C | |
| JUL 24 | 20.0°C | 19.2°C | |
| JUL 25 | 20.0°C | 19.3°C | |
| JUL 26 | 20.0°C | 19.3°C | |
| JUL 27 | 20.0°C | 19.4°C | |
| JUL 28 | 20.0°C | 19.4°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
July 22
July 23
July 24
July 25
July 26
July 27
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.