Lambton County (Sarnia)
July
Weather in Lambton County for July 2026
Your guide to Lambton County weather in July - trends and predictions
Squall Warning - See hour by hour.
So far, July 2026 in Lambton County shows a warmer trend than usual by 3.2 °C.
The forecast for the upcoming days in Lambton County predicts a temperature of 25.6 °C, which is slightly above the historical average.
In general, the average temperature in Lambton County at the beginning of July is 26.9 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 24.3 °C by the end of July.
Lambton County experiences heavy rainfall in July, with over 20 rainy days and an average total precipitation 144.5 mm.
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Temperatures
Rain 🌧️
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6
Dry days
25
Rainy days
0
Snow days
26°/17°
Temperatures
18 km/h
Avg max wind
78 %
Avg humidity
Lambton County Weather July
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Temperatures trend during July in Lambton County
See the weather trend as well as the moving average line
July weather in Lambton County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jul. |  Patchy rain possible | 27° /18° | 3.1 mm | 7 | |
| 2 Jul. |  Moderate or heavy rain shower | 28° /17° | 4 mm | 7 | |
| 3 Jul. | Moderate rain at times | 27° /18° | 2.7 mm | 7 | |
| 4 Jul. |  Overcast | 28° /17° | 1.5 mm | 7 | |
| 5 Jul. | Patchy rain possible | 28° /18° | 10.9 mm | 6 | |
| 6 Jul. | Light rain shower | 26° /18° | 8 mm | 7 | |
| 7 Jul. |  Sunny | 24° /16° | 0 mm | 7 | |
| 8 Jul. | Patchy rain possible | 26° /16° | 1.6 mm | 7 | |
| 9 Jul. | Moderate or heavy rain shower | 25° /18° | 12.3 mm | 7 | |
| 10 Jul. | Overcast | 24° /17° | 14.3 mm | 7 | |
| 11 Jul. | Moderate or heavy rain shower | 26° /17° | 4.7 mm | 7 | |
| 12 Jul. | Overcast | 27° /17° | 31.3 mm | 7 | |
| 13 Jul. | Patchy rain possible | 28° /17° | 5.5 mm | 7 | |
| 14 Jul. |  Cloudy | 30° /18° | 1.6 mm | 7 | |
| 15 Jul. | Sunny | 29° /20° | 3.3 mm | 8 | |
| 16 Jul. | Patchy rain possible | 28° /18° | 4.2 mm | 7 | |
| 17 Jul. | Overcast | 25° /17° | 0.2 mm | 7 | |
| 18 Jul. | Overcast | 24° /16° | 2.7 mm | 7 | |
| 19 Jul. | Sunny | 24° /14° | 3.3 mm | 7 | |
| 20 Jul. | Overcast | 25° /15° | 3.3 mm | 7 | |
| 21 Jul. | Sunny | 33° /17° | 1.7 mm | 7.4 | |
| 22 Jul. | Sunny | 21° /14° | 0.1 mm | 6.5 | |
| 23 Jul. | Sunny | 23° /13° | 0 mm | 7.6 | |
| 24 Jul. | Sunny | 26° /15° | 0 mm | 8 | |
| 25 Jul. | Sunny | 27° /16° | 0 mm | 7 | |
| 26 Jul. | Sunny | 29° /18° | 13.8 mm | 7 | |
| 27 Jul. | Patchy rain possible | 21° /17° | 0.8 mm | 6 | |
| 28 Jul. | Sunny | 23° /15° | 0 mm | 6 | |
| 29 Jul. | Sunny | 23° /16° | 0 mm | 6 | |
| 30 Jul. | Sunny | 23° /16° | 0 mm | 6 | |
| 31 Jul. | Sunny | 24° /16° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Lambton County 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 Lambton County forecast closer to your planned date for the most up-to-date weather information.
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Lambton County in July - FAQ
What are the expected maximum and minimum temperatures in Lambton County during July?
During July, expect a variety of temperatures with highs around 26° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Lambton County during July?
Significant rainfall exceeding 144.5 mm is expected in Lambton County during July, occurring over more than 25 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Lambton County during July?
The average wind speed in Lambton County during July is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
July rainfall patterns in Lambton County
Explore the daily rainfall trends and prepare for Lambton Countys July weather 💧
Typically, Lambton County has 25 rainy days in July with a total of 144.5 mm of rainfall.
UV exposure in Lambton County during July
Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
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Where is Lambton County?Get accurate weather forecasts for Lambton County, located at latitude 42.979 and longitude -82.404. Stay updated with localized weather information tailored for Lambton County.
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