Gampaha District (Negombo)
July
Weather in Gampaha District for July 2026
Your guide to Gampaha District weather in July - trends and predictions
Until now, July 2026 in Gampaha District has been nearly identical to the historical average, with a temperature of 28.8 °C (showing only a slight deviation of -0.1 °C).
The forecast for the next days in Gampaha District predicts temperatures to be around 28 °C, close to the historical average.
In general, the average temperature in Gampaha District at the beginning of July is 29 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 28.6 °C by the end of July.
Gampaha District experiences heavy rainfall in July, with over 20 rainy days and an average total precipitation 198.7 mm.
Temperatures
Rain 🌧️
1
Dry days
30
Rainy days
0
Snow days
28°/25°
Temperatures
21 km/h
Avg max wind
82 %
Avg humidity
Gampaha District Weather July
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Temperatures trend during July in Gampaha District
See the weather trend as well as the moving average line
July weather in Gampaha District day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jul. |  Light rain shower | 29° /25° | 4.1 mm | 6 | |
| 2 Jul. | Patchy rain possible | 29° /25° | 1.4 mm | 6 | |
| 3 Jul. | Patchy rain possible | 29° /25° | 10.4 mm | 5 | |
| 4 Jul. | Patchy rain possible | 29° /25° | 11.5 mm | 5 | |
| 5 Jul. |  Patchy light drizzle | 29° /25° | 1.2 mm | 6 | |
| 6 Jul. | Patchy rain possible | 29° /25° | 1.7 mm | 8 | |
| 7 Jul. | Patchy light drizzle | 29° /25° | 1.1 mm | 7 | |
| 8 Jul. | Light rain shower | 29° /25° | 1.7 mm | 7 | |
| 9 Jul. | Light rain shower | 29° /25° | 3.3 mm | 6 | |
| 10 Jul. | Patchy rain possible | 29° /25° | 6 mm | 5 | |
| 11 Jul. | Patchy rain possible | 29° /25° | 1.5 mm | 5 | |
| 12 Jul. | Light rain shower | 29° /25° | 6 mm | 5 | |
| 13 Jul. | Light rain shower | 28° /26° | 11.9 mm | 6 | |
| 14 Jul. |  Thundery outbreaks possible | 29° /25° | 3.7 mm | 6 | |
| 15 Jul. |  Patchy light rain with thunder | 29° /25° | 7.1 mm | 8 | |
| 16 Jul. | Light rain shower | 29° /25° | 9 mm | 7 | |
| 17 Jul. | Light rain shower | 28° /25° | 6.3 mm | 6 | |
| 18 Jul. | Patchy light rain with thunder | 28° /25° | 4.5 mm | 6 | |
| 19 Jul. | Light rain shower | 29° /25° | 4.9 mm | 5 | |
| 20 Jul. | Light rain shower | 28° /25° | 5.6 mm | 6 | |
| 21 Jul. | Patchy rain possible | 29° /26° | 0.5 mm | 10.1 | |
| 22 Jul. | Patchy rain possible | 29° /26° | 1.2 mm | 10.7 | |
| 23 Jul. | Patchy rain possible | 29° /26° | 3 mm | 11.1 | |
| 24 Jul. | Patchy rain possible | 29° /26° | 0.3 mm | 9.8 | |
| 25 Jul. | Patchy rain possible | 29° /26° | 0.3 mm | 10.4 | |
| 26 Jul. | Patchy rain possible | 28° /26° | 2 mm | 7 | |
| 27 Jul. | Patchy rain possible | 29° /26° | 0.7 mm | 7 | |
| 28 Jul. | Patchy rain possible | 29° /26° | 2.5 mm | 6 | |
| 29 Jul. | Patchy rain possible | 29° /26° | 4.6 mm | 6 | |
| 30 Jul. | Patchy rain possible | 28° /26° | 3.8 mm | 6 | |
| 31 Jul. | Patchy rain possible | 28° /26° | 1.9 mm | 6 | |
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Important Notice
Our weather forecast for Gampaha District in July is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Gampaha District forecast closer to your planned date for the most up-to-date weather information.
Change Month
Gampaha District in July - FAQ
What are the expected maximum and minimum temperatures in Gampaha District during July?
During July, expect a variety of temperatures with highs around 28° and lows near 25°, suitable for diverse activities and preferences.
How much rainfall should be expected in Gampaha District during July?
Significant rainfall exceeding 198.7 mm is expected in Gampaha District during July, occurring over more than 30 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Gampaha District during July?
The average wind speed in Gampaha District during July is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
July rainfall patterns in Gampaha District
Explore the daily rainfall trends and prepare for Gampaha Districts July weather 💧
Typically, Gampaha District has 30 rainy days in July with a total of 198.7 mm of rainfall.
UV exposure in Gampaha District during July
Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
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