# humidity

/hjuˈmɪdəti/ (US) · /hjuːmˈɪdɪti/ (UK)

Source: https://englishreference.com/word/humidity
Updated: 2026-06-20

## Senses

### 1. moisture in the air

noun · CEFR B1

the amount of water vapour in the air. High humidity often makes the weather feel hotter than it really is.

For teachers: the concentration of water vapour in the atmosphere. The term is typically uncountable and refers to the relative or absolute moisture content of the air.

- The high humidity made it difficult to breathe during our hike in the jungle.
- Meteorologists predicted that the rising humidity would likely trigger a series of intense thunderstorms across the valley by late afternoon.

Usage: Usually functions as an uncountable noun; often modified by adjectives like 'high', 'low', or 'relative'.

## Examples

- The high humidity makes the summer heat feel much worse.
- Tropical rainforests are known for their intense humidity, which supports a vast variety of plant life.
- As the temperature dropped during the evening, the relative humidity rose until the air reached its dew point and a thick fog began to settle over the valley.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.