Gampaha District (Negombo)
July
Weather in Gampaha District for July 2026
Your guide to Gampaha District weather in July - trends and predictions
In general, the average temperature in Gampaha District at the beginning of July is 28.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 27.4 °C by the end of July.
Gampaha District experiences heavy rainfall in July, with over 20 rainy days and an average total precipitation 218.5 mm.
Temperatures
Rain 🌧️
0
Dry days
31
Rainy days
0
Snow days
28°/25°
Temperatures
21 km/h
Avg max wind
83 %
Avg humidity
Gampaha District Weather July
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Temperatures trend during July in Gampaha District
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July weather in Gampaha District day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jul. |  Light rain shower | 28° /25° | 6.1 mm | 6 | |
| 2 Jul. | Patchy rain possible | 29° /25° | 1.4 mm | 6 | |
| 3 Jul. | Patchy rain possible | 29° /25° | 5.8 mm | 6 | |
| 4 Jul. | Patchy rain possible | 29° /25° | 4.5 mm | 6 | |
| 5 Jul. |  Patchy light drizzle | 29° /26° | 1.2 mm | 6 | |
| 6 Jul. | Patchy rain possible | 29° /26° | 3.3 mm | 6 | |
| 7 Jul. | Patchy light drizzle | 29° /26° | 0.9 mm | 6 | |
| 8 Jul. | Light rain shower | 29° /25° | 2.3 mm | 6 | |
| 9 Jul. | Light rain shower | 29° /25° | 2.7 mm | 6 | |
| 10 Jul. | Patchy rain possible | 29° /25° | 1.7 mm | 6 | |
| 11 Jul. | Patchy rain possible | 28° /26° | 1.8 mm | 6 | |
| 12 Jul. | Light rain shower | 28° /25° | 9.4 mm | 6 | |
| 13 Jul. | Light rain shower | 27° /26° | 19.2 mm | 6 | |
| 14 Jul. |  Thundery outbreaks possible | 29° /26° | 6.3 mm | 6 | |
| 15 Jul. |  Patchy light rain with thunder | 28° /25° | 12.9 mm | 6 | |
| 16 Jul. | Light rain shower | 28° /25° | 16.3 mm | 6 | |
| 17 Jul. | Light rain shower | 27° /25° | 9.1 mm | 6 | |
| 18 Jul. | Patchy light rain with thunder | 27° /25° | 7 mm | 6 | |
| 19 Jul. | Light rain shower | 28° /26° | 4.2 mm | 6 | |
| 20 Jul. | Light rain shower | 28° /25° | 8 mm | 6 | |
| 21 Jul. | Patchy light rain with thunder | 28° /25° | 5.7 mm | 6 | |
| 22 Jul. | Light rain shower | 27° /25° | 8.8 mm | 6 | |
| 23 Jul. | Light rain shower | 27° /24° | 22.5 mm | 6 | |
| 24 Jul. | Light rain shower | 28° /25° | 16 mm | 6 | |
| 25 Jul. | Light rain shower | 27° /24° | 15 mm | 6 | |
| 26 Jul. | Light rain shower | 27° /24° | 6.6 mm | 6 | |
| 27 Jul. | Light rain shower | 26° /24° | 14 mm | 6 | |
| 28 Jul. | Patchy rain possible | 28° /25° | 1.8 mm | 6 | |
| 29 Jul. | Patchy rain possible | 28° /25° | 2.3 mm | 6 | |
| 30 Jul. | Patchy rain possible | 29° /24° | 0.4 mm | 6 | |
| 31 Jul. | Patchy rain possible | 27° /25° | 1.3 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 218.5 mm is expected in Gampaha District during July, occurring over more than 31 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 💧
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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