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 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 15 | 19.9°C | 18.0°C | |
| JUL 16 | 19.9°C | 18.0°C | |
| JUL 17 | 20.6°C | 18.0°C | |
| JUL 18 | 20.6°C | 18.0°C | |
| JUL 19 | 20.6°C | 18.0°C | |
| JUL 20 | 20.4°C | 18.0°C | |
| JUL 21 | 19.0°C | 18.0°C | |
| JUL 22 | 19.2°C | 18.0°C | |
| JUL 23 | 18.0°C | 19.0°C | |
| JUL 24 | 18.0°C | 19.0°C | |
| JUL 25 | 18.0°C | 18.9°C | |
| JUL 26 | 18.0°C | 18.9°C | |
| JUL 27 | 18.0°C | 18.8°C | |
| JUL 28 | 18.0°C | 18.8°C | |
| JUL 29 | 18.0°C | 18.7°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
July 23
July 24
July 25
July 26
July 27
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.