Weather & Climate

Today’s Weather

Check today’s weather across Shiga before you go, and plan your trip with confidence.

Western Shiga

(Takashima, Otsu)

High 7.6℃ / 45.68℉
Low 2.24℃ / 36.032℉
Northern Shiga

(Nagahama, Maibara)

High 8.58℃ / 47.444℉
Low 1.65℃ / 34.97℉
Eastern Shiga

(Hikone, Higashi-omi, Omi-Hachiman)

High 8.38℃ / 47.084℉
Low 2.68℃ / 36.824℉
Southern Shiga

(Kusatsu, Koka & Shigaraki)

High 9.71℃ / 49.478℉
Low 1.53℃ / 34.754℉

Climate Overview

Shiga has a distinctive climate shaped by its inland geography, Lake Biwa, and the surrounding mountains. The climate differs greatly between the southern and northern regions. Knowing the seasonal trends and regional variations will help you better prepare for your trip.

Shiga’s Climate at a Glance

  • Spring and autumn offer pleasant, mild weather, making them especially popular times to visit for the cherry blossom and autumn foliage seasons.
  • Summer is hot and humid, but you can still enjoy some refreshingly cool days, especially near Lake Biwa.
  • Winter brings the most snowfall to the northern and western mountainous regions, making them perfect for enjoying winter sports.
Spring in Shiga

Spring Weather in Shiga

March to May

In Spring, the chill of winter begins to fade and warmer days become more common. March remains cool and chilly, especially in the mornings and evenings, but temperatures gradually rise throughout the day. In April, the cherry blossoms begin to bloom, marking the perfect season for sightseeing. By May, the weather becomes even more pleasant with an increase in sunny days, especially in the southern areas.

Spring Weather by Area

Weather in Otsu

Mar Apr May
Average temp 8.9℃ / 48.0℉ 14.2℃ / 57.6℉ 18.8℃ / 65.8℉
Maximum temp 14.0℃ / 57.2℉ 20.6℃ / 69.1℉ 24.3℃ / 75.7℉
Minimum temp 4.6℃ / 40.3℉ 8.7℃ / 47.7℉ 14.2℃ / 57.6℉
Precipitation 97.5mm 62.0mm 176.0mm

What to Pack in Spring

  • March: Warm coats, sweaters, scarves. Winter wear still needed.
  • April: Light jackets or cardigans. Bring layers for sudden temperature changes.
  • May: Long-sleeve shirts and lightweight outerwear are enough.
  • If you have allergies you should bring face masks and eye drops.
  • Sunglasses or a hat for sunny days.
  • A shawl or light jacket is useful for chilly mornings and evenings.

Looking for Inspiration for Your Spring Trip?

Gentle breezes and cherry blossoms await you in Shiga.

Summer in Shiga

Summer Weather in Shiga

June to August

Shiga’s summer begins with the rainy season in June, followed by hot and humid weather in July and August.June is characterized by high humidity and muggy conditions. Expect hot weather in July and August, with temperatures frequently reaching over 30°C. The southern areas are particularly hot, so taking precautions against heatstroke is essential. However, you can still find relief on some evenings, especially when exploring around Lake Biwa or in the cooler mountainous regions.

Summer Weather by Area

Weather in Otsu

Jun Jul August
Average temp 23.9℃ / 75.0℉ 29.1℃ / 84.4℉ 29.3℃ / 84.7℉
Maximum temp 29.0℃ / 84.2℉ 35.1℃ / 95.2℉ 35.2℃ / 95.4℉
Minimum temp 19.8℃ / 67.6℉ 25.1℃ / 77.2℉ 25.4℃ / 77.7℉
Precipitation 252.5mm 87.5mm 119.5mm

What to Pack in Summer

  • Breathable summer wear such as short-sleeve shirts, dresses, and light pants.
  • A hat, parasol, or UV-protective layers for sun protection.
  • A folding umbrella or raincoat (for the rainy season and sudden evening showers).
  • Water bottles, cooling wipes, and portable fans for heat relief.
  • Insect repellent for areas rich in nature.

Looking for Inspiration for Your Summer Trip?

Cool off by Lake Biwa and explore Shiga this summer.

Autumn in Shiga

Autumn Weather in Shiga

September to November

Autumn brings a long stretch of comfortable weather that extends from September, still bearing traces of summer heat, to November, when the autumn leaves reach their peak color. In September, summer’s lingering heat is still noticeable, but mornings and evenings start to feel cooler. October brings many clear days, lower humidity, and crisp, refreshing air. By November, temperatures drop significantly, and in northern areas, signs of winter start to appear.

Autumn Weather by Area

Weather in Otsu

September October November
Average temp 26.7℃ / 80.1℉ 19.4℃ / 66.9℉ 11.6℃ / 52.9℉
Maximum temp 31.7℃ / 89.1℉ 23.8℃ / 74.8℉ 16.8℃ / 62.2℉
Minimum temp 23.0℃ / 73.4℉ 16.0℃ / 60.8℉ 7.4℃ / 45.3℉
Precipitation 87.0mm 166.0mm 33.5mm

What to Pack in Autumn

  • September: Short sleeves with a light outer layer for cool evenings.
  • October: Long-sleeved shirts and a jacket.
  • November: Sweaters, coats, and other winter clothing.
  • Comfortable shoes for visiting fall foliage spots.
  • A camera or binoculars for viewing the autumn leaves.
  • Moisturizers like lip balm and hand cream.

Looking for Inspiration for Your Autumn Trip?

Crisp air, vibrant colors, and peaceful moments await.

Winter in Shiga

Winter Weather in Shiga

December to February

Planning a winter trip to Shiga? Be aware that the weather varies greatly region to region. The south has a relatively mild winter, but still experiences cold temperatures. The northern and mountainous areas, especially around Lake Biwa, are influenced by the Sea of Japan. These regions often see heavy snow and cloudy skies. Daily lows frequently dip to 0°C or below, especially in the early morning and at night. No matter your destination, be sure to pack warmly.

Winter Weather by Area

Weather in Otsu

December January February
Average temp 7.4℃ / 45.3℉ 4.7℃ / 40.5℉ 3.7℃ / 38.7℉
Maximum temp 12.2℃ / 54.0℉ 9.2℃ / 48.6℉ 8.1℃ / 46.6℉
Minimum temp 3.1℃ / 37.6℉ 1.1℃ / 34.0℉ 0.3℃ / 32.5℉
Precipitation 51.5mm 15.5mm 20.0mm

What to Pack in Winter

  • Down coats, thick sweaters, and thermal wear.
  • Scarves, gloves, and knit hats.
  • Waterproof, slip-resistant shoes or boots for walking in snowy areas.
  • Hand warmers and neck warmers for extra comfort.
  • Moisturizing products like hand cream and face masks.

Looking for Inspiration for Your Winter Trip?

Discover snowy villages and warm moments by Lake Biwa.

>