てんこう天候tenkou
1.

A comprehensive description of the atmospheric conditions over a relatively short duration, reflecting the overall state of the weather during that time.

2.

The state of the atmosphere observed over a specific period, typically ranging from a few days to a couple of months, serving as a midpoint concept between brief weather phenomena and long-term climate trends.

Example:

それはすべて天候に依存している。

あくてんこう悪天候akutenkou
1.

A state of atmospheric conditions characterized by unfavorable or unpleasant elements, often resulting in harsh or difficult environmental situations.

2.

Weather marked by severe or undesirable conditions that may hinder outdoor activities and cause discomfort.

3.

A weather scenario that includes phenomena such as storms, heavy rain, or extreme temperatures that negatively impact daily life.

Example:

彼は悪天候をついて来た。

てんこうふじゅん天候不順tenkoufujun
1.

A condition characterized by weather that deviates from the typical patterns expected for a particular season, often resulting in unpredictable or inconvenient conditions.

2.

A phenomenon where the weather fluctuates erratically, leading to unexpected changes that can disrupt daily activities and plans.

3.

An unusual state of the atmosphere that manifests as inconsistent or harsh weather conditions, negatively impacting the environment and human endeavors.

ぜんてんこうがた全天候型zentenkougata
1.

Referring to a type of equipment or vehicle designed to function effectively under a variety of weather conditions, including rain, snow, and extreme temperatures.

2.

Describing an object or system built to operate without interruption regardless of environmental factors, ensuring reliability and performance regardless of the weather.

3.

Indicating a characteristic of a product that makes it suitable for outdoor use throughout the entire year, regardless of seasonal changes in climate.