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Lake Inari — Current Water Temperature, Annual Trends and Forecast

This page provides information on the current water temperature in Lake Inari, trends, monthly ranges and the forecast for the coming days.

Lake Inari, Finland
Lake Inari, Finland © By MyName (Vberger), Public domain

Current Water Temperature

13.9°C
Today
12.0°C
Yesterday
8.8°C
A Week Ago
Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

Water Temperature in Lake Inari today is 13.9°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

⚠️ As of today, the minimum water temperature ranges from 54°F (12°C) to 60°F (15°C). The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear. 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

From May 10 to June 10

Table of Daily Sea Temperature Data

Date Current Average Forecast
JUN 39.2°C7.3°C
JUN 49.4°C7.3°C
JUN 510.0°C7.3°C
JUN 610.0°C7.3°C
JUN 711.2°C7.3°C
JUN 812.0°C7.3°C
JUN 1013.6°C7.3°C
JUN 117.3°C13.6°C
JUN 127.3°C13.2°C
JUN 137.3°C12.9°C
JUN 147.3°C12.6°C
JUN 157.3°C12.3°C
JUN 167.3°C11.9°C
JUN 177.3°C11.6°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
January0°C2°C4°C
February0°C2°C4°C
March0°C2°C4°C
April0°C2°C5°C
May0°C5°C10°C
June1°C7°C14°C
July5°C10°C15°C
August7°C12°C18°C
September5°C10°C15°C
October0°C4°C7°C
November0°C3°C6°C
December0°C2°C4°C

Lake Inari: Water Temperature by Location

Lake Inari: Weather Forecast

June 9

° / °
overcast
rain: 59% | wind:

June 10

° / °
light drizzle
rain: 25% | wind:

June 11

° / °
slight rain
rain: 47% | wind:

June 12

° / °
moderate drizzle
rain: 34% | wind:

June 13

° / °
light drizzle
rain: 47% | wind:

Location & Local Information

ake Inari, located in northern Lapland near the town of Inari, is Finland’s third-largest lake and one of the most pristine freshwater bodies in Europe. Surrounded by forested islands and rocky shores, it remains cold for most of the year due to its Arctic location and great depth. In spring, after the ice melts in late May or early June, the surface temperature is around 2–5 °C (36–41 °F). During early summer, it gradually warms to 10–14 °C (50–57 °F), and in July, the warmest month, the lake typically reaches 15–18 °C (59–64 °F). In shallow bays during heatwaves, water can briefly rise to 19–20 °C (66–68 °F). By September, the temperature falls below 10 °C (50 °F), and the lake begins to freeze again by November.

Swimming in Lake Inari is allowed and possible during the short Arctic summer, though the water remains cool even in July. The lake’s exceptionally clean and clear water attracts those who appreciate pure, natural swimming conditions. Local residents and visitors sometimes swim near harbors and small sandy shores, enjoying the refreshing water and vast scenery. While not suited for long swims, a quick dip in Inari offers a unique and invigorating Lapland experience.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Lake Inari?
Water Temperature in Lake Inari today is 13.9°C.
What is the water temperature in Lake Inari during the summer months?
The water temperature in Lake Inari in summer fluctuates in the range of 1°C - 18°C.
Is it possible to swim in Lake Inari (Finland) and what are the possibilities for this?
Yes — Lake Inari offers clean, unpolluted water for summer shoreline, beach and island swims as well as wild open‑water and boat-access swimming, opportunities to combine bathing with lakeside saunas, and even supervised or self‑organized ice‑plunges in winter, though temperatures can be low and swimming is mostly unguided so normal safety precautions are advised.