Iiyama Weather in March
Iiyama in March sees low temperatures, with highs around 8°C (46°F) and overnight lows of -2°C (28°F). Snow/rainfall is fairly high at around 154 mm (6.1 in) on average, so pack waterproofs just in case.
Rainfall in Iiyama in March
Records from the past 30 years suggest around 22 days of snow/rain, with 154 mm (6.1 in) average for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.
Temperature in Iiyama in March
Expect highs of 8°C (46°F) in Iiyama in March, with nights dropping to around -2°C (28°F). Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. Nights drop below freezing to -2°C (28°F). An extra blanket is worth packing if you're unsure about the heating where you're staying.
Sunshine in Iiyama in March
You can expect a moderate amount of sunlight, with approximately 124 hours. This means a pleasant mix of sun and overcast.If you're looking for dry conditions and comfortable temperatures, March may not be the ideal month to visit Iiyama. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Iiyama's climate page.
Iiyama Temperature in March
Min Temperature
-2°C (28°F)
Max Temperature
8°C (46°F)
Chance of Rain
73%
Precipitation
154 mm (6.1 in)
Rainy days
22 days
Humidity
72% *
Sunshine
124 hours *
Percentage Sunshine
*
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Iiyama typically rise from around 7°C (45°F) at the start of March to approximately 12°C (54°F) by the end. Nights are cold, with lows typically ranging from -1°C (30°F) to 3°C (37°F).
Average temperatures in March
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in March
Historical weather for Iiyama in March
Browse day-by-day weather records for Iiyama spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Iiyama historical weather extremes in March
Based on 20 years of weather observations (2006-2026), these are the most extreme conditions recorded in Iiyama.
- Iiyama recorded its highest March temperature of 24°C (75°F) on March 18, 2009.
- The lowest daytime temperature in March was 0°C (32°F), recorded on March 10, 2026.
- Nighttime temperatures dropped to -6°C (21°F) on March 9, 2026, marking the coldest March night on record.
Best Places in Japan in March
Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in March →
perfect weather
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tolerable
unpleasant
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What to Wear in Iiyama in March
Dress warmly and in layers for your trip to Iiyama in March. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. It's going to pour! Pack a good poncho and prepare for very wet conditions. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Iiyama in March
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Iiyama's climate page.
Temperature Rainfall Sunshine Humidity
See the full Iiyama climate overview or explore weather in Japan.
