Johnstone Weather in August

August in Johnstone sees daytime temperatures around 19°C (66°F) and lows of 11°C (52°F) at night. With around 116 mm (4.6 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Johnstone in August

Climate statistics over the past 30 years suggest around 18 days of rain, with 116 mm (4.6 in) average for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in Johnstone in August

August in Johnstone brings pleasant temperatures, with highs of 19°C (66°F) and nights around 11°C (52°F). This month falls in the summer season. Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights drop to around 11°C (52°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Johnstone in August

With about 145 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

If you prefer enjoying temperate temperatures and rain-free days, June typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.