Climate and monthly weather forecastMatsuyama, Japan
Climate and monthly weather forecast
The climate of Matsuyama
Situated in Japan, Matsuyama is characterized by a Humid subtropical climate that does not experience a dry season, as defined by the Köppen climate classification Cfa. A vivid overview of the weather pattern indicates annual variations in temperature from a low of 2.9°C (37.2°F) to a peak of 29.2°C (84.6°F). Relative humidity swings between 72% to 84%, with rainfall ranging between 24mm (0.94") in the drier months and up to 149mm (5.87") in the wetter periods.Variations in weather parameters add dynamic flavor to Matsuyama's climate throughout the year. Monthly average high temperatures steadily increase from 8°C (46.4°F) in January to a peak of 29.2°C (84.6°F) in August, before receding again towards the year's end. In contrast, monthly average low temperatures show a similar pattern, albeit with less variation, rising from 2.9°C (37.2°F) in January to a high of 23.4°C (74.1°F) in August.
Rainfall displays an interesting pattern, starting low at 24mm (0.94") in January, peaking noticeably at 149mm (5.87") in June before trailing off to 38mm (1.5") by the year's end. This suggests a rather abrupt end to the wet season despite Matsuyama's classification as a region with no dry season. In the realm of sunshine hours, a high of 10.8 hours is observed in August while the low dips to 5.2 hours in January.
Uniquely, Matsuyama's weather exhibits a marked difference in the distribution of rainfall and snowfall. While rainfall is seen throughout the year and peaks in the middle of the year, appreciable snowfall is only seen in the months of January and December with negligible levels in other periods.
The best time to visit Matsuyama
Considering the climatological data of Matsuyama, it is most ideal to visit this city between May and September. In these months, temperatures hover from 20.8°C (69.4°F) to 29.2°C (84.6°F), making for a pleasant and warm climate. The rainfall is on higher side during these months, with levels up to 149mm (5.87"). So, an umbrella might be a constant companion. Additionally, these months also enjoy the highest levels of sea temperatures, which peak at a warm 27.2°C (81°F), making it perfect for a dip in the sea.The worst time to visit Matsuyama
A trip to Matsuyama is least recommended between November and March. The city experiences its lowest temperatures, ranging from 2.9°C (37.2°F) to 12°C (53.6°F), during these months. Moreover, these months are accompanied by limited sunshine, with an average of 5.2 hours in January. It's also the period with highest snowfall, about 4mm (0.16") in January and 6mm (0.24") in December.Spring weather in Matsuyama
Spring breaks in Matsuyama around March and lingers until May with temperatures ranging from 12°C (53.6°F) to 20.8°C (69.4°F). This period also experiences a gradual increase in rainfall, from 40mm (1.57") in March to 67mm (2.64") in May. Humidity levels slightly increase, with an average relative humidity ranging from 72% to 75%.Summer weather in Matsuyama
Summers, starting from June and lasting until August, bring the highest temperatures to Matsuyama. During this season, temperatures climb from 23.5°C (74.3°F) in June to a peak of 29.2°C (84.6°F) in August. However, these months also witness the highest rainfall, with June recording an impressive 149mm (5.87").Autumn weather in Matsuyama
Autumn in Matsuyama is marked by a steady decrease in temperature from 25.5°C (77.9°F) in September to 15.5°C (59.9°F) in November. Rainfall during this season also witnesses a gradual decline, starting with 66mm (2.6") in September and tapering off to 29mm (1.14") by November.Winter weather in Matsuyama
Winter in Matsuyama sets in from December and last until February. This period witnesses the coldest temperatures for the year, with lows dropping to 2.9°C (37.2°F) in January. Rainfall is relatively low during these months, ranging from 24mm (0.94") to 38mm (1.5"). This period also sees the only significant snowfall of the year, with 4mm (0.16") in January and 6mm (0.24") in December.Weather in January
The year begins in Matsuyama, Japan, with a typically chilly January and temperatures struggling to peak above 8°C (46.4°F). Moisture hangs heavy in the air with relative humidity reaching 72%. Meanwhile, 24mm (0.94") of rainfall precipitates across 8.3 days, subsiding not infrequently to reveal calm, cloudless skies. Weather in January »Weather in February
February's weather bears this striking resemblance to January, continuing the trend of chilly days, high cloud coverage, and a long-lingering feel of winter. However, rainfall emerging from 10.6 days becomes more frequent, causing a slight increase in precipitation at 36mm (1.42"). Weather in February »Weather in March
March in Matsuyama unfolds the story of transitional weather, hallmarked by higher temperatures at 12°C (53.6°F) and longer hours of daylight. With the temperatures on the rise, the snowfall wanes to a periodical cessation, tipping off the end of the winter season. Weather in March »Weather in April
April in Matsuyama represents a significant transition into a truly spring-like weather scenario, with temperatures climbing to a comfortable 16.1°C (61°F). The precipitation splits over 12.4 days, with 45mm (1.77") of rainfall celebrating the arrival of spring. Weather in April »Weather in May
May in Matsuyama introduces a rich contrast in weather dynamics from the prior month. A substantial leap in temperature up to 20.8°C (69.4°F) ushers in bright, clear days and balmy nights. Rainfall registers an increase to 67mm (2.64") over 11.7 days, coaxing the city’s flora to a vibrant bloom. Weather in May »Weather in June
June brings distinct indications of early summer to Matsuyama, accompanied by fairly higher temperature readings at 23.5°C (74.3°F). Weather complexities include a significant rise in both rainfall and relative humidity, topping at 149mm (5.87") and 83% respectively. Weather in June »Weather in July
Bright sunlight and increasing heat spell out summer in full flourish in Matsuyama during July. The highest point of the year’s temperature, 27.3°C (81.1°F), teams up with the most significant quantity of rainfall, tipping the scale at 135mm (5.31") across 21.3 days. Weather in July »Weather in August
The weather in Matsuyama in August echoes July’s high summer conditions, but there are certain clear departures as well. The temperatures endure at a high 29.2°C (84.6°F), making it the hottest month of the year. With rainfall lessening to 68mm (2.68") over 20.3 days, August continues with fewer showers when compared to the prior month. Weather in August »Weather in September
In September, Matsuyama experiences a weather divergence as late summer dovetails into early autumn. The city cools a bit with temperatures lowering to 25.5°C (77.9°F). The month records 66mm (2.6") of rainfall that kindly pours on most 15.6 days, in contrast to the intense rainy days in summer. Weather in September »Weather in October
October in Matsuyama signals the full onset of autumn, with temperatures dropping further to 21°C (69.8°F) and the environment turning more temperate. Rainfall recedes gently, with a total precipitation of 52mm (2.05") spread across 11.4 days. Weather in October »Weather in November
As November rolls in, Matsuyama feels the pre-winter chill, with temperatures further cooled down to 15.5°C (59.9°F). Weather conditions shift and the city gears up for the colder months, with the buildup of cloud cover and a decrease in rainfall at 29mm (1.14") over 9.8 days. Weather in November »Weather in December
December ends the year on a cold note in Matsuyama, Japan, with temperatures descending down to 9.9°C (49.8°F), and an additional 6mm (0.24") of snowfall spread over 1.2 days. Rainfall gets more occasional, with a decrease in intensity at 38mm (1.5") over 10.7 days, signifying a transition to the winter dry spell. Weather in December »Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January is the coldest month, exhibiting average temperatures of 8°C (46.4°F) at the peak and 2.9°C (37.2°F) at the base.
January through March, with an average relative humidity of 72%, are the least humid months.
January is the month with the least rainfall in Matsuyama. Rain falls for 8.3 days and accumulates 24mm (0.94") of precipitation.
In Matsuyama, Japan, during the entire year, the rain falls for 162.8 days and collects up to 749mm (29.49") of precipitation.
Months with snowfall in Matsuyama, Japan, are January, February and December.
In Matsuyama, during the entire year, snow falls for 3.4 days and aggregates up to 13mm (0.51") of snow.
The month with the least sunshine is January, with an average of 5.2h of sunshine.
January and December, with an average maximum UV index of 2, are months with the lowest UV index.
February is the month with the coldest seawater in Matsuyama, with an average sea temperature of 14.7°C (58.5°F).
March through November are months without snowfall in Matsuyama, Japan.
June is the month with the most rainfall. Rain falls for 17.9 days and accumulates 149mm (5.87") of precipitation.
The month with the longest days is June, with an average of 14h and 24min of daylight.
The most humid month in Matsuyama is July, with an average relative humidity of 84%.
The month with the highest UV index is July, with an average maximum UV index of 7.
August temperatures in Matsuyama, Japan, tend to peak at an average high of 29.2°C (84.6°F) and dip to a low of 23.4°C (74.1°F).
The month with the warmest seawater in Matsuyama, Japan, is August, with an average sea temperature of 27.2°C (81°F).
With an average of 10.8h of sunshine, August has the most sunshine of the year.
December is the month with the most snowfall in Matsuyama. Snow falls for 1.2 days and accumulates 6mm (0.24") of snow.
December has the shortest days of the year, with an average of 10h and 0min of daylight.
Matsuyama does not observe Daylight Saving Time (DST). JST timezone is used throughout the entire year.
Average temperature
Matsuyama, Japan
The warmest month (with the highest average high temperature) is August (29.2°C).
The month with the lowest average high temperature is January (8°C).
The month with the highest average low temperature is August (23.4°C).
The coldest month (with the lowest average low temperature) is January (2.9°C).
Average pressure
Matsuyama, Japan
- Average pressure in January:
1021mbar - Average pressure in February:
1020.5mbar - Average pressure in March:
1018.1mbar - Average pressure in April:
1015.1mbar - Average pressure in May:
1012.1mbar - Average pressure in June:
1008.4mbar
- Average pressure in July:
1008.9mbar - Average pressure in August:
1009.1mbar - Average pressure in September:
1012.4mbar - Average pressure in October:
1016.8mbar - Average pressure in November:
1020mbar - Average pressure in December:
1020.6mbar
The month with the highest atmospheric pressure is January (1021mbar).
The month with the lowest atmospheric pressure is June (1008.4mbar).
Average wind speed
Matsuyama, Japan
- Average wind speed in January:
12.2km/h - Average wind speed in February:
11km/h - Average wind speed in March:
10.9km/h - Average wind speed in April:
9.5km/h - Average wind speed in May:
7.7km/h - Average wind speed in June:
6.6km/h
- Average wind speed in July:
7.2km/h - Average wind speed in August:
6.9km/h - Average wind speed in September:
8.1km/h - Average wind speed in October:
10.1km/h - Average wind speed in November:
9.9km/h - Average wind speed in December:
11.9km/h
The windiest month (with the highest average wind speed) is January (12.2km/h).
The calmest month (with the lowest average wind speed) is June (6.6km/h).
Average humidity
Matsuyama, Japan
The month with the highest relative humidity is July (84%).
The months with the lowest relative humidity are January, February and March (72%).
Average rainfall
Matsuyama, Japan
The wettest month (with the highest rainfall) is June (149mm).
The driest month (with the least rainfall) is January (24mm).
Average rainfall days
Matsuyama, Japan
- Average rainfall days in January:
8.3 days - Average rainfall days in February:
10.6 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
12.4 days - Average rainfall days in May:
11.7 days - Average rainfall days in June:
17.9 days
- Average rainfall days in July:
21.3 days - Average rainfall days in August:
20.3 days - Average rainfall days in September:
15.6 days - Average rainfall days in October:
11.4 days - Average rainfall days in November:
9.8 days - Average rainfall days in December:
10.7 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is January (8.3 days).
Average snowfall
Matsuyama, Japan
The month with the highest snowfall is December (6mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days
Matsuyama, Japan
- Average snowfall days in January:
1.3 days - Average snowfall days in February:
0.7 days - Average snowfall days in March:
0.2 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
1.2 days
The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature
Matsuyama, Japan
The best month for swimming (with the highest average sea temperature) is August (27.2°C).
The coldest month (with the lowest average sea temperature) is February (14.7°C).
Average daylight / Average sunshine
Matsuyama, Japan
- Average daylight in January:
10h and 12min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 54min - Average daylight in June:
14h and 24min
- Average daylight in July:
14h and 12min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 24min - Average daylight in December:
10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January:
5h and 12min - Average sunshine in February:
5h and 42min - Average sunshine in March:
7h and 30min - Average sunshine in April:
9h and 24min - Average sunshine in May:
9h and 48min - Average sunshine in June:
9h and 0min
- Average sunshine in July:
9h and 36min - Average sunshine in August:
10h and 48min - Average sunshine in September:
9h and 24min - Average sunshine in October:
6h and 12min - Average sunshine in November:
6h and 12min - Average sunshine in December:
5h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days
Matsuyama, Japan
- Average sunshine days in January:
20.3 days - Average sunshine days in February:
16.2 days - Average sunshine days in March:
17 days - Average sunshine days in April:
14.9 days - Average sunshine days in May:
17.2 days - Average sunshine days in June:
9.9 days
- Average sunshine days in July:
6.7 days - Average sunshine days in August:
6.4 days - Average sunshine days in September:
11.6 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
17.3 days - Average sunshine days in December:
17.5 days
The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is August (6.4 days).
Average UV index
Matsuyama, Japan
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover
Matsuyama, Japan
The month with the most cloud cover is January (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility
Matsuyama, Japan
The months with the highest visibility are January, February, March, August, September, October, November and December (10km).
The months with the lowest visibility are April, May, June and July (9km).
