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Weather Forecast for Niihama, Japan (September 17-19, 2024)

As we look forward to the next few days in Niihama, the weather appears to be quite dynamic, offering both sunshine and occasional showers. Here’s what you can expect.

Day 1: Tuesday, September 17, 2024

The day will start off warm, with temperatures peaking at around 29°C (84°F) and dropping to a low of 25°C (77°F). The sunshine should dominate the day, especially in the morning hours, with chances of clear skies and a UV index of 8, indicating a high level of UV radiation.

Visibility will be excellent at 10 km, making it a great day for outdoor activities. As we approach noon, expect some patchy rain nearby, but the overall chance of rain remains low for the morning. Humidity levels will hover around 84%, which may contribute to a feels-like temperature of 30°C (86°F) due to the heat index.

By evening, clouds will increase, and the temperature will remain mild, around 27°C (81°F). The night will continue with the chance of light rain, with the moon in its waxing gibbous phase, illuminating the skies.

Day 2: Wednesday, September 18, 2024

Wednesday promises to be similarly warm, with maximum temperatures reaching 29°C (84°F) and a minimum of 24°C (75°F). The day will begin with patchy rain, especially in the early hours, but clouds are expected to clear, leading to ample sunshine by midday.

The UV index will again be high at 8, and the humidity will stay at about 80%. Hence, outdoor enthusiasts should ensure they’re protected against the sun’s rays. As the day progresses, rain could return in the afternoon with light showers anticipated. Winds will be gentle, making for a pleasant evening following the rain.

Day 3: Thursday, September 19, 2024

By Thursday, the weather in Niihama will turn a bit warmer, with highs of 30°C (85°F) and a low of 24°C (75°F). Expect abundant sunshine throughout the day. The humidity will be slightly lower at around 69%, which should make for comfortable conditions.

This day will also present the highest UV index yet at 9, so don’t forget to pack your sunscreen! The day will be clear with excellent visibility at 10 km. As we move into the evening, temperatures will drop to about 27°C (81°F) with continued clear skies.

Important Highlights

• Wind Speed: Gentle breezes reaching up to 7 km/h in the afternoons, creating a pleasant atmosphere.


• Precipitation: Light rain is possible on September 17 and 18, particularly in the afternoons.


• Visibility: Excellent throughout the period, making it an ideal time to enjoy outdoor plans.


• UV Index: High during the afternoons; protective measures are advised.


• Humidity: High humidity can cause the air to feel warmer, especially with the heat index values.

Niihama is a fascinating city with much to explore. To stay updated with the weather forecasts in the coming week, check out Next 5 days weather. For those who prefer a more granular view, see the Hour by hour weather options.

Stay tuned for more updates as the weather continues to evolve!