JonsvatnetAbout Jonsvatnet
Jonsvatnet is a lake in Trøndelag, Norway, that functions as a municipal water reservoir for Trondheim and also supports local recreational use.
The lake’s shoreline and surrounding trails are used for activities such as fishing, canoeing in summer and cross-country skiing in winter, with boat access allowed under local regulations. The lake is an important freshwater resource and a green backdrop close to urban Trondheim.
The basin formed post-glacially and has been managed for water supply and local recreation in the 20th and 21st centuries; infrastructure around the lake reflects its dual role as reservoir and outdoor area. Management prioritizes water-quality protection alongside permitted outdoor activities.
Jonsvatnet lies east-southeast of Trondheim in Trøndelag county, Norway, roughly 10-15 kilometres from the city centre and set within the Finnish-Scandinavian lake district landscape of forests and smaller streams.
- Water supply and access: Serves as a municipal water source and lies roughly 10-15 kilometres from central Trondheim, making it both utility infrastructure and a nearby outdoor recreation area.
Best Time to Visit Jonsvatnet
Visit in summer (June-August) for the warmest weather and open-water activities; winter offers ice-based recreation but much colder conditions.
Weather & Climate near Jonsvatnet
Jonsvatnet's climate is classified as Warm-Summer Continental - Warm-Summer Continental climate with cool summers (peaking in July) and freezing winters (coldest in January). Temperatures range from -6°C to 17°C. Moderate rainfall (934 mm/year).
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | Poor | -6° - 0° | -8° | 76 mm | overcast | 95% | 4.6 m/s | 0.0 low | 5.4h |
| February | Poor | -6° - 1° | -8° | 65 mm | overcast | 95% | 4.2 m/s | 0.0 low | 8.4h |
| March | Poor | -3° - 3° | -5° | 59 mm | overcast | 93% | 3.9 m/s | 0.2 low | 11.5h |
| April | Poor | -1° - 6° | -1° | 53 mm | overcast | 86% | 3.7 m/s | 0.6 moderate | 14.7h |
| May | Acceptable | 4° - 12° | 6° | 56 mm | overcast | 80% | 3.7 m/s | 0.9 moderate | 17.8h |
| June | Good | 7° - 15° | 11° | 74 mm | overcast | 81% | 3.3 m/s | 1.1 high | 19.8h |
| July | Good | 9° - 17° | 13° | 91 mm | overcast | 83% | 3.1 m/s | 1.1 high | 18.8h |
| August | Good | 9° - 17° | 13° | 87 mm | overcast | 86% | 3.1 m/s | 0.8 moderate | 15.9h |
| September | Acceptable | 6° - 13° | 7° | 105 mm | overcast | 88% | 3.6 m/s | 0.3 low | 12.8h |
| October | Poor | 2° - 8° | 2° | 98 mm | overcast | 92% | 3.8 m/s | 0.1 low | 9.6h |
| November | Poor | -2° - 3° | -4° | 75 mm | overcast | 95% | 4.1 m/s | 0.0 low | 6.4h |
| December | Poor | -5° - 1° | -7° | 95 mm | overcast | 96% | 4.1 m/s | 0.0 low | 4.2h |
How to Get to Jonsvatnet
Jonsvatnet is the lake just southeast of Trondheim, Norway, and is reached easily by car or local public transport from Trondheim. The lake lies within roughly 6-10 km of Trondheim city centre; local roads lead to recreational access points and there are walking and cycling paths around parts of the shore. Regional bus services from Trondheim serve stops near the lake - check the local AtB timetables for current routes and stops.