Climate Insights for Mertoyudan

Kabupaten Magelang, Provinsi Jawa Tengah, Indonesia

Hottest
June
39°C peak
Coldest
September
1°C low
Wettest
September
33mm rain
Best to Visit
October, November, December
Mild temps & low rain

Climate Overview

The climate in Mertoyudan is warm and mild. The average annual temperature is 22°C and approximately 127mm of precipitation falls per year. September is the wettest month, receiving around 33mm of rainfall. Mertoyudan sits near the equator, so seasonal temperature differences are minimal throughout the year. Light snow can occur between July and September.

Temperature

10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 30° Average: 25° Min: 21° Feb Max: 37° Average: 32° Min: 26° Mar Max: 38° Average: 30° Min: 21° Apr Max: 36° Average: 30° Min: 22° May Max: 35° Average: 28° Min: 20° Jun Max: 39° Average: 33° Min: 28° Jul Max: 14° Average: 9° Min: 4° Aug Max: 13° Average: 8° Min: 3° Sep Max: 11° Average: 7° Min: 1° Oct Max: 24° Average: 18° Min: 12° Nov Max: 30° Average: 24° Min: 19° Dec Max: 27° Average: 24° Min: 21°
Max
Average
Min

Mertoyudan has a wide annual temperature range, spanning 38°C from the coldest to warmest months. June is the hottest month, with daytime highs reaching 39°C and an average of 33°C. September is the coolest month, with minimum temperatures around 1°C and an average of 7°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between June and July, with a 25°C shift in average temperatures.

Precipitation

0mm 25mm 50mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 0mm Snow: 0mm Feb Precipitation: 0mm Snow: 0mm Mar Precipitation: 0mm Snow: 0mm Apr Precipitation: 0mm Snow: 0mm May Precipitation: 0mm Snow: 0mm Jun Precipitation: 13mm Snow: 0mm Jul Precipitation: 33mm Snow: 13mm Aug Precipitation: 33mm Snow: 1mm Sep Precipitation: 33mm Snow: 13mm Oct Precipitation: 3mm Snow: 0mm Nov Precipitation: 1mm Snow: 0mm Dec Precipitation: 11mm Snow: 0mm
Precipitation
Snow

Mertoyudan is a quite dry location, receiving approximately 127mm of precipitation annually, which averages out to around 11mm per month. The wettest month is July, averaging 33mm of rainfall. August and September also tend to see above-average precipitation. The driest month is February, with just 0mm. That's 33mm less than July, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Light snowfall can occur between July and September, totalling around 27cm annually. July is the snowiest month with approximately 13cm.

Wind

0km/h 5km/h 10km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 5km/h Feb Wind Speed: 7km/h Mar Wind Speed: 3km/h Apr Wind Speed: 4km/h May Wind Speed: 4km/h Jun Wind Speed: 3km/h Jul Wind Speed: 2km/h Aug Wind Speed: 2km/h Sep Wind Speed: 1km/h Oct Wind Speed: 2km/h Nov Wind Speed: 2km/h Dec Wind Speed: 3km/h
Wind Speed

Mertoyudan is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 6km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to pick up during the summer months. The seasonal averages are 2km/h in winter, 2km/h in spring, 5km/h in summer, 4km/h in autumn.

Seasons

Winter
Dec 21
Spring
Sep 23
Summer
Dec 21
Autumn
Mar 20

23 days until Spring

It is currently winter in Mertoyudan, which began on June 21, 2026. Mertoyudan sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in June at around 39°C, while the coldest stretch bottoms out in September near 1°C. Spring is next, beginning on September 23, 2026 — 23 days from now.

Spring

Temperatures range from 1 to 30°C. Precipitation is minimal, with only around 37mm for the entire season. Winds are generally light, averaging 2km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 21 to 37°C. Precipitation is minimal, with only around 11mm for the entire season. Winds are generally light, averaging 5km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 20 to 38°C. Precipitation is minimal, with only around 0mm for the entire season. Winds are generally light, averaging 4km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from 3 to 39°C. Rainfall is relatively light, with around 79mm over the season and a monthly average of 26mm. Expect around 14cm of snow accumulation during this period. Winds are generally light, averaging 2km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 25°
Feb 32°
Mar 30°
Apr 30°
May 28°
Jun 33°
Jul
Aug
Sep
Oct 18°
Nov 24°
Dec 24°

The best time to visit Mertoyudan is during October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 22°C with modest rainfall averaging 5mm per month. By contrast, June can be uncomfortably hot with highs reaching 39°C, while September is the coldest period with lows dropping to 1°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

Monthly Climate Data

The table below shows monthly climate averages for Mertoyudan based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
21 °C
30 °C
5 km/h
0 mm
0 cm
Feb
26 °C
37 °C
7 km/h
0 mm
0 cm
Mar
21 °C
38 °C
3 km/h
0 mm
0 cm
Apr
22 °C
36 °C
4 km/h
0 mm
0 cm
May
20 °C
35 °C
4 km/h
0 mm
0 cm
Jun
28 °C
39 °C
3 km/h
13 mm
0 cm
Jul
4 °C
14 °C
2 km/h
33 mm
13 cm
Aug Current
3 °C
13 °C
2 km/h
33 mm
1 cm
Sep
1 °C
11 °C
1 km/h
33 mm
13 cm
Oct
12 °C
24 °C
2 km/h
3 mm
0 cm
Nov
19 °C
30 °C
2 km/h
1 mm
0 cm
Dec
21 °C
27 °C
3 km/h
11 mm
0 cm
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Metric (°C, km/h)