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Nömmen Lake — Current Water Temperature, Annual Trends and Forecast

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

Sommen Lake, Sweden
Sommen Lake, Sweden © By Rainer19, Attribution

Current Water Temperature

17.4°C
Today
16.7°C
Yesterday
16.3°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 Nömmen Lake today is 17.4°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

⚠️ As of today, the minimum water temperature ranges from 60°F (15°C) to 65°F (18°C). The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people. 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 July 31 to August 31

Table of Daily Sea Temperature Data

Date Current Average Forecast
AUG 2416.3°C19.0°C
AUG 2516.3°C19.0°C
AUG 2616.3°C19.0°C
AUG 2716.3°C19.0°C
AUG 2816.6°C19.0°C
AUG 2916.7°C19.0°C
AUG 3016.7°C19.0°C
AUG 3116.7°C19.0°C
SEP 114.0°C17.2°C
SEP 214.0°C17.1°C
SEP 314.0°C16.9°C
SEP 414.0°C16.7°C
SEP 514.0°C16.6°C
SEP 614.0°C16.4°C
SEP 714.0°C16.2°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°C0°C4°C
February0°C0°C4°C
March0°C3°C6°C
April3°C7°C10°C
May8°C13°C19°C
June12°C18°C23°C
July14°C20°C25°C
August13°C19°C24°C
September9°C14°C20°C
October5°C9°C12°C
November2°C6°C9°C
December0°C4°C7°C

Nömmen Lake: Water Temperature by Location

Nömmen Lake: Weather Forecast

September 1

° / °
slight thunderstorm
rain: 73% | wind:

September 2

° / °
light drizzle
rain: 49% | wind:

September 3

° / °
slight thunderstorm
rain: 54% | wind:

September 4

° / °
light drizzle
rain: 57% | wind:

September 5

° / °
light drizzle
rain: 43% | wind:

Location & Local Information

Nömmen is a small lake in Jönköping County known locally as Nömmen. Water temperatures vary by season: in spring (March–May) the surface typically warms from about 2–12 °C (36–54 °F) as snowmelt and cool air still influence the water. In summer (June–August) the lake often reaches its warmest range, commonly 16–22 °C (61–72 °F) on average, with shallow bays sometimes getting a few degrees warmer on hot, calm days. During autumn (September–November) temperatures fall back to roughly 4–12 °C (39–54 °F) as nights cool and stratification breaks down. In winter (December–February) the surface frequently drops to around 0–4 °C (32–39 °F) and the lake can ice over in cold spells, making open-water swimming uncommon and potentially hazardous.

Swimming at Nömmen is generally allowed, reflecting Sweden’s right of public access (Allemansrätten) and the many informal bathing spots around regional lakes. Whether it’s advisable depends on conditions: water quality, local rules, private shoreline, weather and ice cover should be checked before entering. There are often no lifeguards, so swimmers should be cautious of low temperatures, sudden depth changes and boat traffic. For safe enjoyment, choose sheltered, shallow areas in summer and heed local signage or municipal information about water quality and access.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Nömmen Lake?
Water Temperature in Nömmen Lake today is 17.4°C.
What is the water temperature in Nömmen Lake during the summer months?
The water temperature in Nömmen Lake in summer fluctuates in the range of 12°C - 25°C.
Is it possible to swim in Nömmen (Sweden) and what are the possibilities for this?
Yes — you can swim in Nömmen’s natural waters, entering from small sandy or rocky shorelines, jetties or boats for open‑water swimming and wading, but check local water quality, access and safety conditions as there may be limited facilities or lifeguards.