Dehiwala-Mount Lavinia in july: average Weather, Temperature and Climate
Weather in Dehiwala-Mount Lavinia in july 2025
The weather in Dehiwala-Mount Lavinia in july comes from statistical datas on the past years. You can view the weather statistics for the whole month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout july
very bad weather UV index: 7
Weather at 6am
83°F
Moderate rain at times
56% of time
29%
8%
5%
Weather at 12pm
85°F
Moderate rain at times
50% of time
31%
13%
7%
Weather at 6pm
81°F
Moderate rain at times
50% of time
21%
16%
8%
Weather at 3am
81°F
34%
33%
19%
13%
Evolution of daily average temperature and precipitation in Dehiwala-Mount Lavinia in july
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Dehiwala-Mount Lavinia in july.
The climate of Dehiwala-Mount Lavinia in july is very bad
The climate in july in Dehiwala-Mount Lavinia is wet (with 20.4in of precipitation over 22 days). It should be noted an improvement from the previous month since in june it receives an average of 26.8in of rainfall over 24 days.
The climate pleasant in this city the month of july. The thermometer averaged maximum of 85°F. On average, the recorded minimum temperature is 83°F. Thus, the mean temperature average on this month of july in Dehiwala-Mount Lavinia is 85°F. Note that seasonal normals in contrast with those observed in Dehiwala-Mount Lavinia in the month of july with a maximum record of 88°F in 2010 and a minimum record of 68°F in 2021. You can plan to have about 8 days with temperatures up to 86°F, or 26 of the month.
Day length in Dehiwala-Mount Lavinia in july is 12:29. Sunrise is at 06:02 and sunset is at 18:31.
July: another location in Sri Lanka?
If you want to go to Sri Lanka in july, there are destinations with better weather than Dehiwala-Mount Lavinia:
In july, Jaffna, Mullaitivu, Kayts, Mannar Island and Poonakari have perfect weather.
Furthermore, Anuradhapura, Kandy, Trincomalee, Batticaloa, Dambulla and Kurunegala have good weather.
Finally, Chilaw, Negombo, Nuwara Eliya, Ella, Haputale and Horton Plains National Park have a tolerable climate, but better than Dehiwala-Mount Lavinia.
Seasonal average climate and temperature of Dehiwala-Mount Lavinia in july
Check below seasonal norms These datas are compiled from the weather statements of the last years of the month of july.
| July | |||||
| Outside temperature | |||||
| Average temperature | 85°F | ||||
| Highest temperature | 85°F | ||||
| Lowest temperature | 83°F | ||||
| Highest record temperature | 88°F (2010) | ||||
| Lowest record temperature | 68°F (2021) | ||||
| Number of days at +86°F | 8 day(s) (26%) | ||||
| Number of days at +65°F | 31 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 81°F | ||||
| Lowest sea temperature | 79°F | ||||
| Highest sea temperature | 84°F | ||||
| Wind | |||||
| Wind speed | 21km/h | ||||
| Wind temperature | 83°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 20.4in | ||||
| Number of days with rainfall | 22 day(s) (71%) | ||||
| Record daily rainfall | 2.9in (2017) | ||||
| Other climate data | |||||
| Humidity | 83% | ||||
| Visibility | 8.64km | ||||
| Cloud cover | 52% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:02 | ||||
| Time of sunset | 18:31 | ||||
| Length of day | 12:29 | ||||
| Our opinion about the weather in july | |||||
| Our opinion at whereandwhen.net | very bad | ||||
How was the weather last july?
Here is the day by day recorded weather in Dehiwala-Mount Lavinia in july 2024:
79°F to 86°F
81°F to 86°F
81°F to 86°F
81°F to 86°F
77°F to 79°F
81°F to 83°F
79°F to 81°F
79°F to 83°F
79°F to 86°F
79°F to 85°F
79°F to 85°F
81°F to 85°F
79°F to 81°F
79°F to 83°F
81°F to 85°F
79°F to 85°F
79°F to 85°F
79°F to 85°F
79°F to 85°F
79°F to 85°F
79°F to 85°F
79°F to 86°F
81°F to 85°F
81°F to 86°F
79°F to 86°F
79°F to 85°F
79°F to 85°F
81°F to 85°F
81°F to 85°F
81°F to 85°F
79°F to 85°F
Map: other cities in Sri Lanka in july
Cities near Dehiwala-Mount Lavinia:
| Colombo in july | very bad weather |
| Panadura in july | very bad weather |
| Kalutara in july | very bad weather |
| Negombo in july | tolerable weather |
| Bentota in july | very bad weather |
| Adam’s peak in july | bad weather |
| Ambalangoda in july | bad weather |
| Kuliyapitiya in july | tolerable weather |
| Neluwa in july | bad weather |
| Udawalawe National Park in july | bad weather |
| Hatton in july | tolerable weather |
| Chilaw in july | tolerable weather |
Click over cities on the map for information about the weather in july.
Dehiwala-Mount Lavinia
perfect weather
good
tolerable
bad
very bad
Weather data for Dehiwala-Mount Lavinia in july:
Weather data for Dehiwala-Mount Lavinia for july are derived from an average of the weather forecast since 2009 in Dehiwala-Mount Lavinia. There is a margin of error and these forecasts are to be considered as general information only. The weather in Dehiwala-Mount Lavinia can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Dehiwala-Mount Lavinia.