Average Weather In April For Ho Chi Minh City, Vietnam

Location

This report describes the typical weather at the Tan Son Nhat International Airport (Ho Chi Minh City, Vietnam) weather station over the course of an average April. It is based on the historical records from 1983 to 2012. Earlier records are either unavailable or unreliable.

Ho Chi Minh City has a tropical savanna climate with dry winters. The area within 25 mi of this station is covered by croplands (88%), grasslands (4%), and lakes and rivers (3%).

Temperature

The month of April is characterized by essentially constant daily high temperatures, with daily highs around 94°F throughout the month, exceeding 97°F or dropping below 91°F only one day in ten.

Daily High and Low Temperature in April

The daily average low (blue) and high (red) temperature with percentile bands (inner band from 25th to 75th percentile, outer band from 10th to 90th percentile).
Daily low temperatures are around 78°F, falling below 75°F or exceeding 82°F only one day in ten.

Fraction of Time Spent in Various Temperature Bands in April

The average fraction of time spent in various temperature bands: frigid (below 15°F), freezing (15°F to 32°F), cold (32°F to 50°F), cool (50°F to 65°F), comfortable (65°F to 75°F), warm (75°F to 85°F), hot (85°F to 100°F) and sweltering (above 100°F).

Sun

Over the course of April, the length of the day is essentially constant. The shortest day of the month is April 2 with 12:14 hours of daylight; the longest day is April 30 with 12:30 hours of daylight.

Daily Hours of Daylight and Twilight in April

The number of hours during which the Sun is visible (black line), with various degrees of daylight, twilight, and night, indicated by the color bands. From bottom (most yellow) to top (most gray): full daylight, solar twilight (Sun is visible but less than 6° from the horizon), civil twilight (Sun is not visible but is less than 6° below the horizon), nautical twilight (Sun is between 6° and 12° below the horizon), astronomical twilight (Sun is between 12° and 18° below the horizon), and full night.

The earliest sunrise is at 5:36am on April 30; the latest sunset is at 6:06pm on April 30; the latest sunrise is at 5:50am on April 1; the earliest sunset is at 6:04pm on April 2.

Daylight savings time (DST) is not observed in 2012.

Daily Sunrise & Sunset with Twilight in April

The solar day over the course of the year 2012 . From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (solar, civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray.

Clouds

The median cloud cover ranges from 43% (partly cloudy) to 54% (partly cloudy). The trend is for the sky to be becoming cloudier with the median cloud cover increasing by 11% from the start to the end of the month.

Median Cloud Cover in April

The median daily cloud cover (black line) with percentile bands (inner band from 40th to 60th percentile, outer band from 25th to 75th percentile).

On April 1, the clearest day of the month, the sky is clear, mostly clear, or partly cloudy 81% of the time, and overcast or mostly cloudy 10% of the time.

On April 30, the cloudiest day of the month, the sky is overcast, mostly cloudy, or partly cloudy 67% of the time, and clear or mostly clear 24% of the time.

Cloud Cover Types in April

The fraction of time spent in each of the five sky cover categories. From top (most blue) to bottom (most gray), the categories are clear, mostly clear, partly cloudy, mostly cloudy, and overcast. Pink indicates missing data. Outside of the United States clear skies are often reported ambiguously, leading them to be lumped in with the missing data.

Precipitation

The probability that precipitation will be observed at this location varies throughout the month. Precipitation is most likely around April 30, occurring in 57% of days. Precipitation is least likely around April 1, occurring in 29% of days.

Probability of Precipitation at Some Point in the Day in April

The fraction of days in which various types of precipitation are observed. If more than one type of precipitation is reported in a given day, the more severe precipitation is counted. For example, if light rain is observed in the same day as a thunderstorm, that day counts towards the thunderstorm totals. The order of severity is from the top down in this graph, with the most severe at the bottom.

Throughout April, the most common forms of precipitation are thunderstorms.

Thunderstorms are the most severe precipitation observed during 84% of those days with precipitation. They are most likely around April 30, when it is observed during 48% of all days.

Types of Precipitation Throughout April

Relative frequency of various types of precipitation over the course of a typical April.

Snow

Either snow is exceptionally unlikely to fall at this location in April or this station does not reliably report precipitation types.

Humidity

The relative humidity typically ranges from 49% (comfortable) to 91% (very humid) over the course of a typical April, rarely dropping below 40% (comfortable) and reaching as high as 100% (very humid).

The air is driest around April 1, at which time the relative humidity drops below 53% (mildly humid) three days out of four; it is most humid around April 29, rising above 86% (very humid) three days out of four.

Relative Humidity in April

The average daily high (blue) and low (brown) relative humidity with percentile bands (inner bands from 25th to 75th percentile, outer bands from 10th to 90th percentile).

Dew Point

Dew point is often a better measure of how comfortable a person will find the weather than relative humidity because it more directly relates to whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid.

Over the course of a typical April, the dew point typically varies from 70°F (muggy) to 78°F (oppressive) and is rarely below 66°F (muggy) or above 80°F (very oppressive).

Dew Point in April

The daily average low (blue) and high (red) dew point with percentile bands (inner band from 25th to 75th percentile, outer band from 10th to 90th percentile).

Wind

Over the course of April typical wind speeds vary from 2 mph to 13 mph (light air to moderate breeze), rarely exceeding 19 mph (fresh breeze).

The highest average wind speed of 8 mph (light breeze) occurs around April 1, at which time the average daily maximum wind speed is 13 mph (moderate breeze).

The lowest average wind speed of 7 mph (light breeze) occurs around April 30, at which time the average daily maximum wind speed is 13 mph (moderate breeze).

Wind Speed in April

The average daily minimum (red), maximum (green), and average (black) wind speed with percentile bands (inner band from 25th to 75th percentile, outer band from 10th to 90th percentile).
The wind is most often out of the south west (14% of the time), south east (14% of the time), south (13% of the time), and west (13% of the time).

Wind Directions in April

The fraction of time spent with the wind blowing from the various directions over the entire year. Values do not sum to 100% because the wind direction is undefined when the wind speed is zero.

Fraction of Time Spent with Various Wind Directions in April

The fraction of time spent with the wind blowing from the various directions on a daily basis. Stacked values do not always sum to 100% because the wind direction is undefined when the wind speed is zero.