Larvik — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Larvik, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Larvik today is 17.8°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 |
|---|---|---|---|
| AUG 6 | 17.5°C | 18.0°C | |
| AUG 7 | 17.5°C | 18.0°C | |
| AUG 8 | 17.5°C | 18.0°C | |
| AUG 9 | 17.6°C | 18.0°C | |
| AUG 10 | 17.6°C | 18.0°C | |
| AUG 11 | 17.6°C | 18.0°C | |
| AUG 12 | 17.6°C | 18.0°C | |
| AUG 13 | 17.8°C | 18.0°C | |
| AUG 14 | 18.0°C | 17.8°C | |
| AUG 15 | 18.0°C | 17.8°C | |
| AUG 16 | 18.0°C | 17.8°C | |
| AUG 17 | 18.0°C | 17.8°C | |
| AUG 18 | 18.0°C | 17.9°C | |
| AUG 19 | 18.0°C | 17.9°C | |
| AUG 20 | 18.0°C | 17.9°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 | 2°C | 5°C |
| February | 0°C | 2°C | 5°C |
| March | 0°C | 3°C | 6°C |
| April | 2°C | 6°C | 9°C |
| May | 6°C | 10°C | 15°C |
| June | 10°C | 16°C | 20°C |
| July | 14°C | 18°C | 23°C |
| August | 14°C | 18°C | 23°C |
| September | 10°C | 15°C | 19°C |
| October | 6°C | 9°C | 12°C |
| November | 2°C | 6°C | 9°C |
| December | 0°C | 3°C | 6°C |
Larvik: Weather Forecast
August 14
August 15
August 16
August 17
Location & Local Information
Larvik (in Norwegian - Larvik) in Vestfold County lies in a region of Norway with many small lakes and ponds framed by forest and moraine landscape. Typical lake water temperatures vary by season: in spring (April–May) many lakes are cold, roughly 4–12 °C (39–54 °F) as snowmelt cools shallow basins; in summer (June–August) common ranges are about 15–22 °C (59–72 °F), with shallow, sheltered spots occasionally reaching 23–25 °C (73–77 °F) on hot days; autumn (September–October) temperatures generally fall to 8–15 °C (46–59 °F); and in winter lakes are near freezing, often 0–4 °C (32–39 °F) where ice does not fully form. Local variations depend on depth, wind exposure and recent weather.
Swimming in Larvik’s lakes is generally allowed and practiced by residents and visitors, supported by Norway’s public access traditions and by a number of designated bathing areas maintained for recreation. However, some reservoirs and protected water sources may have restrictions, and lifeguards are not present at most inland spots, so safety precautions are advisable. Water quality is monitored seasonally by authorities in popular bathing locations, but clarity and temperature can change rapidly, so check local notices and exercise caution when entering cold or unfamiliar waters.