Hamar — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Hamar, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Hamar today is 15.4°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
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| JUN 23 | 12.9°C | 14.2°C | |
| JUN 24 | 12.9°C | 14.2°C | |
| JUN 25 | 12.9°C | 14.2°C | |
| JUN 26 | 13.3°C | 14.2°C | |
| JUN 27 | 13.6°C | 14.2°C | |
| JUN 28 | 13.6°C | 14.2°C | |
| JUN 29 | 13.6°C | 14.2°C | |
| JUN 30 | 14.9°C | 14.2°C | |
| JUL 1 | 16.0°C | 15.4°C | |
| JUL 2 | 16.0°C | 15.5°C | |
| JUL 3 | 16.0°C | 15.5°C | |
| JUL 4 | 16.0°C | 15.5°C | |
| JUL 5 | 16.0°C | 15.6°C | |
| JUL 6 | 16.0°C | 15.6°C | |
| JUL 7 | 16.0°C | 15.6°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 |
|---|---|---|---|
| January | 0°C | 1°C | 4°C |
| February | 0°C | 1°C | 4°C |
| March | 0°C | 2°C | 5°C |
| April | 0°C | 4°C | 7°C |
| May | 5°C | 9°C | 14°C |
| June | 9°C | 14°C | 19°C |
| July | 11°C | 16°C | 20°C |
| August | 12°C | 17°C | 21°C |
| September | 9°C | 14°C | 18°C |
| October | 4°C | 8°C | 10°C |
| November | 0°C | 4°C | 7°C |
| December | 0°C | 2°C | 5°C |
Hamar: Weather Forecast
July 1
July 2
July 3
July 4
Location & Local Information
Hamar (in Norwegian: Hamar) is a town on the shores of Lake Mjøsa in Innlandet County, and the lake strongly shapes local recreational life. Water temperatures in Mjøsa around Hamar vary through the year: in winter the surface is typically around 0–4 °C (32–39 °F) and can freeze in cold winters; spring temperatures rise to roughly 4–12 °C (39–54 °F) as ice melts and the water stratifies; summer bathing temperatures commonly range from about 16–22 °C (61–72 °F), with warm spells occasionally pushing surface water to 23–25 °C (73–77 °F); autumn sees a steady decline toward 10–15 °C (50–59 °F). These are general seasonal ranges and can shift with weather and wind.
Swimming in and around Hamar is allowed and popular, with several municipal beaches and maintained bathing spots offering safe access to the lake when conditions are normal. Authorities monitor water quality and post advisories if problems such as algal blooms occur, and ice conditions in winter are assessed before any skating or ice-swimming is considered safe. Visitors should take ordinary precautions for cold-water exposure, check local notices, and avoid venturing onto ice or into open water during warnings or when temperatures are very low.